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Buy from Amazon $19.95$0.01 $15.00 $10.00 $5.00 Dec Mar Jun Sep Dec Mar Jun Sep Dec Mar Jun 2014 2015 2016 $14.76, Sep 10 7:29 am$14.86, Nov 8 4:30 am$14.91, Nov 23 - Dec 20$14.96, Dec 23 - Jan 1$15.01, Jan 3 - Jan 25$14.86, Jan 26 - Feb 15$14.91, Feb 16 - Mar 28$18.95, Mar 29 - Apr 7$18.76, Apr 8 - Apr 26$18.57, Apr 28 - May 16$18.57, Apr 28 - May 16$12.00, May 3 - May 4$4.61, May 3 6:36 pm$18.57, Apr 28 - May 16$11.98, May 6 - May 9$4.55, May 6 8:33 am$18.57, Apr 28 - May 16$11.98, May 6 - May 9$4.66, May 8 4:13 am$18.57, Apr 28 - May 16$11.96, May 11 2:17 am$4.60, May 11 2:17 am$18.57, Apr 28 - May 16$11.94, May 13 2:12 pm$4.40, May 13 2:12 pm$18.57, Apr 28 - May 16$11.93, May 14 - May 16$4.13, May 16 2:00 am$18.38, May 17 - May 26$11.91, May 18 - May 19$3.85, May 18 9:15 am$18.38, May 17 - May 26$11.89, May 21 9:04 am$3.68, May 20 - May 21$18.38, May 17 - May 26$11.84, May 23 - May 24$3.62, May 23 7:14 pm$18.38, May 17 - May 26$11.80, May 26 - May 28$3.59, May 25 - May 26$18.95, May 27 - Jul 10$11.78, May 28 - May 30$3.53, May 28 4:14 pm$18.95, May 27 - Jul 10$8.47, May 31 - Jun 1$3.42, May 31 10:05 am$18.95, May 27 - Jul 10$8.45, Jun 1 - Jun 2$2.89, Jun 2 12:08 pm$18.95, May 27 - Jul 10$8.41, Jun 5 - Jun 6$2.84, Jun 5 10:07 am$18.95, May 27 - Jul 10$8.39, Jun 7 6:15 pm$2.78, Jun 7 6:15 pm$18.95, May 27 - Jul 10$8.37, Jun 8 - Jun 12$2.75, Jun 9 - Jun 13$18.95, May 27 - Jul 10$8.35, Jun 12 - Jun 13$2.75, Jun 9 - Jun 13$18.95, May 27 - Jul 10$8.33, Jun 14 - Jun 15$2.87, Jun 15 - Jun 16$18.95, May 27 - Jul 10$8.30, Jun 16 - Jun 17$2.86, Jun 17 - Jun 18$18.95, May 27 - Jul 10$8.28, Jun 18 - Jun 19$2.82, Jun 19 5:18 pm$18.95, May 27 - Jul 10$8.23, Jun 22 7:52 pm$2.77, Jun 22 7:52 pm$18.95, May 27 - Jul 10$8.20, Jun 25 - Jun 27$2.78, Jun 25 - Jun 27$18.95, May 27 - Jul 10$8.16, Jun 29 - Jun 30$2.89, Jun 28 - Jul 1$18.95, May 27 - Jul 10$8.13, Jul 1 - Jul 2$2.89, Jun 28 - Jul 1$18.95, May 27 - Jul 10$8.11, Jul 5 6:55 am$2.94, Jul 2 - Jul 11$18.95, May 27 - Jul 10$8.09, Jul 6 12:40 pm$2.94, Jul 2 - Jul 11$18.95, May 27 - Jul 10$8.05, Jul 9 3:30 am$2.94, Jul 2 - Jul 11$16.55, Jul 11 - Jul 18$8.03, Jul 11 2:03 pm$2.94, Jul 2 - Jul 11$16.55, Jul 11 - Jul 18$8.01, Jul 14 8:45 am$2.93, Jul 12 - Jul 19$16.55, Jul 11 - Jul 18$7.99, Jul 17 - Jul 21$2.93, Jul 12 - Jul 19$18.95, Jul 19 - Jul 30$7.99, Jul 17 - Jul 21$2.93, Jul 12 - Jul 19$18.95, Jul 19 - Jul 30$7.99, Jul 17 - Jul 21$2.89, Jul 21 10:42 am$18.95, Jul 19 - Jul 30$12.00, Jul 24 - Jul 27$2.87, Jul 22 - Jul 25$18.95, Jul 19 - Jul 30$12.00, Jul 24 - Jul 27$2.46, Jul 27 7:05 am$18.95, Jul 19 - Jul 30$11.23, Jul 28 - Jul 30$2.08, Jul 30 4:13 am$16.19, Jul 31 - Aug 2$11.21, Aug 1 - Aug 2$4.58, Aug 1 1:54 am$18.95, Aug 2 - Aug 3$11.20, Aug 2 - Aug 3$5.47, Aug 3 10:05 pm$16.24, Aug 5 - Aug 6$11.18, Aug 5 - Aug 7$5.22, Aug 5 6:26 pm$16.37, Aug 8 - Aug 11$11.17, Aug 8 - Aug 10$3.79, Aug 8 10:50 pm$16.37, Aug 8 - Aug 11$11.16, Aug 10 - Aug 11$3.26, Aug 10 10:04 pm$16.33, Aug 12 - Aug 15$11.15, Aug 12 - Aug 17$2.71, Aug 13 7:14 pm$16.33, Aug 12 - Aug 15$11.15, Aug 12 - Aug 17$2.29, Aug 15 5:19 pm$16.39, Aug 17 - Aug 29$11.14, Aug 17 - Aug 20$1.72, Aug 18 10:30 pm$16.39, Aug 17 - Aug 29$11.13, Aug 21 - Aug 23$1.36, Aug 21 5:11 am$16.39, Aug 17 - Aug 29$12.00, Aug 24 - Aug 25$1.05, Aug 24 5:27 am$16.39, Aug 17 - Aug 29$12.26, Aug 26 - Aug 28$0.92, Aug 26 8:31 am$16.39, Aug 17 - Aug 29$12.26, Aug 26 - Aug 28$0.75, Aug 28 12:46 pm$16.30, Aug 30 - Sep 11$12.24, Aug 29 - Sep 3$0.67, Aug 30 - Sep 1$16.30, Aug 30 - Sep 11$12.24, Aug 29 - Sep 3$0.63, Sep 2 4:49 am$16.30, Aug 30 - Sep 11$12.20, Sep 4 - Oct 3$0.53, Sep 4 1:32 pm$16.30, Aug 30 - Sep 11$12.20, Sep 4 - Oct 3$0.51, Sep 5 - Sep 10$16.38, Sep 12 - Sep 20$12.20, Sep 4 - Oct 3$0.47, Sep 11 - Sep 22$18.95, Sep 22 3:20 pm$12.20, Sep 4 - Oct 3$0.47, Sep 11 - Sep 22$16.73, Sep 24 - Sep 26$12.20, Sep 4 - Oct 3$0.46, Sep 24 7:03 pm$16.73, Sep 24 - Sep 26$12.20, Sep 4 - Oct 3$0.45, Sep 26 - Oct 3$18.95, Sep 29 1:24 am$12.20, Sep 4 - Oct 3$0.45, Sep 26 - Oct 3$16.84, Oct 1 - Oct 3$12.20, Sep 4 - Oct 3$0.45, Sep 26 - Oct 3$17.02, Oct 5 11:11 am$16.25, Oct 5 - Oct 8$0.50, Oct 5 11:11 am$16.68, Oct 6 - Oct 19$16.25, Oct 5 - Oct 8$0.47, Oct 6 - Oct 8$16.68, Oct 6 - Oct 19$12.20, Oct 10 - Oct 29$0.42, Oct 12 8:18 pm$16.68, Oct 6 - Oct 19$12.20, Oct 10 - Oct 29$0.39, Oct 15 12:40 am$16.68, Oct 6 - Oct 19$12.20, Oct 10 - Oct 29$0.38, Oct 17 6:05 am$16.68, Oct 6 - Oct 19$12.20, Oct 10 - Oct 29$0.37, Oct 19 - Oct 21$16.95, Oct 21 - Oct 24$12.20, Oct 10 - Oct 29$0.36, Oct 22 - Oct 24$17.09, Oct 29 9:30 pm$12.20, Oct 10 - Oct 29$2.00, Oct 29 9:30 pm$17.21, Nov 1 2:07 pm$12.19, Nov 1 2:07 pm$1.88, Nov 1 2:07 pm$16.83, Nov 8 - Nov 13$12.20, Nov 8 - Nov 13$1.94, Nov 8 9:56 am$16.83, Nov 8 - Nov 13$12.20, Nov 8 - Nov 13$3.38, Nov 13 7:44 pm$17.11, Nov 17 - Nov 20$12.19, Nov 17 - Feb 6$3.51, Nov 17 1:57 pm$16.88, Nov 21 - Dec 3$12.19, Nov 17 - Feb 6$4.68, Nov 20 - Nov 25$16.88, Nov 21 - Dec 3$12.19, Nov 17 - Feb 6$5.18, Nov 27 - Nov 29$16.88, Nov 21 - Dec 3$12.19, Nov 17 - Feb 6$5.16, Dec 1 6:10 am$16.88, Nov 21 - Dec 3$12.19, Nov 17 - Feb 6$5.11, Dec 3 4:37 am$17.42, Dec 5 - Dec 17$12.19, Nov 17 - Feb 6$4.90, Dec 6 11:29 pm$17.42, Dec 5 - Dec 17$12.19, Nov 17 - Feb 6$4.74, Dec 9 1:00 am$17.42, Dec 5 - Dec 17$12.19, Nov 17 - Feb 6$4.72, Dec 11 5:45 am$17.42, Dec 5 - Dec 17$12.19, Nov 17 - Feb 6$2.93, Dec 13 3:39 am$17.42, Dec 5 - Dec 17$12.19, Nov 17 - Feb 6$2.89, Dec 15 1:29 am$17.42, Dec 5 - Dec 17$12.19, Nov 17 - Feb 6$2.75, Dec 17 12:46 am$17.36, Dec 21 9:15 pm$12.19, Nov 17 - Feb 6$2.18, Dec 21 9:15 pm$17.56, Jan 3 - Jan 7$12.19, Nov 17 - Feb 6$0.84, Jan 3 3:01 am$17.56, Jan 3 - Jan 7$12.19, Nov 17 - Feb 6$0.82, Jan 4 - Jan 18$18.95, Jan 8 - Feb 6$12.19, Nov 17 - Feb 6$0.82, Jan 4 - Jan 18$18.95, Jan 8 - Feb 6$12.19, Nov 17 - Feb 6$0.96, Jan 20 3:41 pm$18.95, Jan 8 - Feb 6$12.19, Nov 17 - Feb 6$1.00, Jan 22 6:17 am$18.95, Jan 8 - Feb 6$12.19, Nov 17 - Feb 6$2.23, Jan 25 1:05 pm$18.95, Jan 8 - Feb 6$12.19, Nov 17 - Feb 6$2.19, Jan 27 7:24 am$18.95, Jan 8 - Feb 6$12.19, Nov 17 - Feb 6$1.88, Jan 30 6:49 pm$18.95, Jan 8 - Feb 6$12.19, Nov 17 - Feb 6$1.86, Feb 1 1:11 pm$18.95, Jan 8 - Feb 6$12.19, Nov 17 - Feb 6$2.17, Feb 3 9:20 am$18.95, Jan 8 - Feb 6$12.19, Nov 17 - Feb 6$2.06, Feb 6 10:07 pm$16.09, Feb 8 - Feb 12$11.30, Feb 8 5:12 pm$1.95, Feb 8 5:12 pm$16.09, Feb 8 - Feb 12$11.29, Feb 10 - Feb 19$1.81, Feb 12 7:50 am$16.10, Feb 14 - Feb 19$11.29, Feb 10 - Feb 19$1.68, Feb 14 3:01 am$16.10, Feb 14 - Feb 19$11.29, Feb 10 - Feb 19$1.55, Feb 15 11:29 pm$16.10, Feb 14 - Feb 19$11.29, Feb 10 - Feb 19$1.00, Feb 19 7:09 pm$15.99, Feb 21 - Mar 6$10.97, Feb 21 4:54 pm$0.97, Feb 21 - Feb 27$15.99, Feb 21 - Mar 6$10.91, Feb 23 2:47 pm$0.97, Feb 21 - Feb 27$15.99, Feb 21 - Mar 6$10.84, Feb 25 12:32 pm$0.97, Feb 21 - Feb 27$15.99, Feb 21 - Mar 6$10.75, Mar 1 10:07 am$0.95, Mar 1 - Mar 3$15.99, Feb 21 - Mar 6$10.71, Mar 3 - Apr 6$0.95, Mar 1 - Mar 3$15.99, Feb 21 - Mar 6$10.71, Mar 3 - Apr 6$1.00, Mar 4 - Mar 13$15.96, Mar 8 - Mar 13$10.71, Mar 3 - Apr 6$1.00, Mar 4 - Mar 13$18.95, Mar 15 12:56 pm$10.71, Mar 3 - Apr 6$0.73, Mar 15 12:56 pm$15.74, Mar 18 2:08 am$10.71, Mar 3 - Apr 6$0.71, Mar 18 - Mar 20$15.86, Mar 20 - Mar 22$10.71, Mar 3 - Apr 6$1.23, Mar 21 12:25 pm$16.12, Mar 23 - Mar 28$10.71, Mar 3 - Apr 6$1.46, Mar 23 - Mar 26$16.12, Mar 23 - Mar 28$10.71, Mar 3 - Apr 6$1.42, Mar 28 2:28 pm$16.01, Mar 31 12:02 am$10.71, Mar 3 - Apr 6$2.87, Mar 31 12:02 am$15.93, Apr 1 - Apr 6$10.71, Mar 3 - Apr 6$2.29, Apr 2 12:45 pm$15.93, Apr 1 - Apr 6$10.71, Mar 3 - Apr 6$1.87, Apr 5 3:18 am$15.93, Apr 1 - Apr 6$10.71, Mar 3 - Apr 6$1.81, Apr 6 11:35 am$15.83, Apr 10 1:39 pm$10.56, Apr 10 1:39 pm$1.47, Apr 10 1:39 pm$18.95, Apr 12 1:21 am$10.44, Apr 12 1:21 am$2.99, Apr 12 - Apr 24$15.64, Apr 14 - Apr 18$10.24, Apr 14 4:49 pm$2.99, Apr 12 - Apr 24$15.64, Apr 14 - Apr 18$10.12, Apr 16 3:22 am$2.99, Apr 12 - Apr 24$15.64, Apr 14 - Apr 18$9.91, Apr 18 4:03 pm$2.99, Apr 12 - Apr 24$15.66, Apr 21 8:26 am$9.72, Apr 21 8:26 am$2.99, Apr 12 - Apr 24$15.63, Apr 24 3:38 am$9.52, Apr 24 3:38 am$2.99, Apr 12 - Apr 24$15.63, Apr 27 - May 4$9.22, Apr 27 6:49 am$2.99, Apr 27 6:49 am$15.63, Apr 27 - May 4$8.99, Apr 30 3:53 am$2.97, Apr 30 3:53 am$15.63, Apr 27 - May 4$8.79, May 2 8:35 pm$2.94, May 2 8:35 pm$15.63, Apr 27 - May 4$8.70, May 4 5:16 am$2.92, May 4 5:16 am$15.57, May 7 - May 18$8.49, May 7 3:47 am$2.88, May 7 3:47 am$15.57, May 7 - May 18$8.22, May 11 2:13 am$2.79, May 11 2:13 am$15.57, May 7 - May 18$8.01, May 14 8:52 am$2.70, May 14 8:52 am$15.57, May 7 - May 18$7.74, May 18 9:10 am$2.57, May 18 9:10 am$15.45, May 22 - May 26$7.57, May 22 3:03 pm$2.40, May 22 3:03 pm$15.45, May 22 - May 26$7.58, May 26 9:38 pm$2.22, May 26 9:38 pm$15.57, May 31 - Jun 13$7.91, May 31 - Jun 9$0.94, May 31 10:56 am$15.57, May 31 - Jun 13$7.91, May 31 - Jun 9$0.77, Jun 5 1:49 am$15.57, May 31 - Jun 13$7.91, May 31 - Jun 9$0.66, Jun 9 8:19 am$15.57, May 31 - Jun 13$9.25, Jun 13 - Jun 26$0.47, Jun 13 6:14 am$15.77, Jun 16 - Jun 20$9.25, Jun 13 - Jun 26$0.29, Jun 16 11:25 pm$15.77, Jun 16 - Jun 20$9.25, Jun 13 - Jun 26$0.21, Jun 18 9:21 pm$15.77, Jun 16 - Jun 20$9.25, Jun 13 - Jun 26$0.12, Jun 20 8:15 pm$15.71, Jun 22 - Jun 30$9.25, Jun 13 - Jun 26$0.02, Jun 22 5:58 pm$15.71, Jun 22 - Jun 30$9.25, Jun 13 - Jun 26$0.01, Jun 26 - Nov 10$15.71, Jun 22 - Jun 30$9.23, Jun 30 - Jul 10$0.01, Jun 26 - Nov 10$15.73, Jul 4 5:56 pm$9.23, Jun 30 - Jul 10$0.01, Jun 26 - Nov 10$15.74, Jul 10 - Jul 17$9.23, Jun 30 - Jul 10$0.01, Jun 26 - Nov 10$15.74, Jul 10 - Jul 17$8.00, Jul 14 8:05 am$0.01, Jun 26 - Nov 10$15.74, Jul 10 - Jul 17$9.23, Jul 17 - Aug 3$0.01, Jun 26 - Nov 10$15.64, Jul 21 - Aug 3$9.23, Jul 17 - Aug 3$0.01, Jun 26 - Nov 10$15.65, Aug 5 - Aug 8$9.25, Aug 5 - Mar 17$0.01, Jun 26 - Nov 10$15.61, Aug 10 - Aug 12$9.25, Aug 5 - Mar 17$0.01, Jun 26 - Nov 10$15.68, Aug 16 - Aug 23$9.25, Aug 5 - Mar 17$0.01, Jun 26 - Nov 10$16.68, Aug 27 - Aug 31$9.25, Aug 5 - Mar 17$0.01, Jun 26 - Nov 10$16.91, Sep 4 - Sep 8$9.25, Aug 5 - Mar 17$0.01, Jun 26 - Nov 10$15.68, Sep 12 2:26 am$9.25, Aug 5 - Mar 17$0.01, Jun 26 - Nov 10$16.98, Sep 15 - Sep 23$9.25, Aug 5 - Mar 17$0.01, Jun 26 - Nov 10$15.65, Sep 27 4:34 pm$9.25, Aug 5 - Mar 17$0.01, Jun 26 - Nov 10$19.95, Oct 1 - Nov 21$9.25, Aug 5 - Mar 17$0.01, Jun 26 - Nov 10$19.95, Oct 1 - Nov 21$9.25, Aug 5 - Mar 17$1.49, Nov 12 8:54 pm$19.95, Oct 1 - Nov 21$9.25, Aug 5 - Mar 17$1.50, Nov 17 3:29 am$19.95, Oct 1 - Nov 21$9.25, Aug 5 - Mar 17$1.97, Nov 19 8:46 am$19.95, Oct 1 - Nov 21$9.25, Aug 5 - Mar 17$1.75, Nov 21 2:06 pm$15.66, Nov 26 - Dec 23$9.25, Aug 5 - Mar 17$1.97, Nov 26 12:40 am$15.66, Nov 26 - Dec 23$9.25, Aug 5 - Mar 17$2.99, Nov 30 - Dec 18$15.66, Nov 26 - Dec 23$9.25, Aug 5 - Mar 17$2.91, Dec 23 8:36 am$15.81, Dec 28 - Jan 2$9.25, Aug 5 - Mar 17$2.85, Dec 28 10:03 am$15.81, Dec 28 - Jan 2$9.25, Aug 5 - Mar 17$2.70, Jan 2 5:52 am$15.73, Jan 7 2:55 am$9.25, Aug 5 - Mar 17$2.65, Jan 7 2:55 am$15.65, Jan 12 - Jan 19$9.25, Aug 5 - Mar 17$2.35, Jan 12 1:53 am$15.65, Jan 12 - Jan 19$9.25, Aug 5 - Mar 17$2.08, Jan 14 1:45 pm$15.65, Jan 12 - Jan 19$9.25, Aug 5 - Mar 17$1.32, Jan 19 2:10 pm$15.57, Jan 24 - Jan 29$9.25, Aug 5 - Mar 17$0.74, Jan 24 2:44 pm$15.57, Jan 24 - Jan 29$9.25, Aug 5 - Mar 17$0.45, Jan 29 3:28 pm$15.49, Feb 3 4:51 pm$9.25, Aug 5 - Mar 17$0.11, Feb 3 4:51 pm$19.95, Feb 8 - Feb 24$9.25, Aug 5 - Mar 17$0.01, Feb 8 - Mar 17$15.49, Mar 5 12:42 pm$9.25, Aug 5 - Mar 17$0.01, Feb 8 - Mar 17$15.41, Mar 17 - Apr 15$9.25, Aug 5 - Mar 17$0.01, Feb 8 - Mar 17$15.41, Mar 17 - Apr 15$9.99, Mar 28 1:45 pm$0.21, Mar 28 1:45 pm$15.41, Mar 17 - Apr 15$9.25, Apr 3 - Apr 9$0.98, Apr 3 9:54 am$15.41, Mar 17 - Apr 15$9.25, Apr 3 - Apr 9$0.99, Apr 9 5:17 am$15.41, Mar 17 - Apr 15$9.99, Apr 15 3:26 am$2.39, Apr 15 3:26 am 79,7251,209,823 1,562,500 1,041,667 520,833 Oct Dec Feb Apr Jun Aug Oct Dec Feb Apr Jun 2015 2016

Price Details

New

Last Seen $15.41 Apr 15, '16
Highest $19.95 Feb 8, '16
Lowest $14.76 Sep 10, '13
Average $15.41 (30d avg)
$16.76 (90d avg)
$17.15 (180d avg)
$16.67 (365d avg)
$16.63 (Lifetime average)
Added Sep 10, 2013

3rd Party New

Last Seen $9.99 Apr 15, '16
Highest $16.25 Oct 5, '14
Lowest $7.57 May 22, '15
Average $9.39 (30d avg)
$9.30 (90d avg)
$9.27 (180d avg)
$9.11 (365d avg)
$10.17 (Lifetime average)
Added Sep 10, 2013

3rd Party Used

Last Seen $2.39 Apr 15, '16
Highest $5.69 Aug 2, '14
Lowest $0.01 Feb 8, '16
Average $0.43 (30d avg)
$0.31 (90d avg)
$1.09 (180d avg)
$0.92 (365d avg)
$1.54 (Lifetime average)
Added Sep 10, 2013

Sales Rank

30 day average: 174,783
90 day average: 460,927

Product Description

Winner of the Benjamin Franklin Award.

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