Wedding anniversary years have well-established connections now common to most nations: 5th Wood, 10th Tin, 15th Crystal, 20th China, 25th Silver, 30th Pearl, 35th Jade, 40th Ruby, 45th Sapphire, 50th Gold, 60th Diamond, and 70th Platinum. In English speaking countries the first, wooden, gift was cut on the day of celebration and then presented to the wife as a finished article before the next two quarter days had passed. The modern tradition may have originated in medieval Germany where, if a married couple lived to celebrate the 25th anniversary of their wedding, the wife was presented by her friends and neighbours with
15th Anniversary Best Live History DVD Book not a standard DVD, it did not chart on Oricon and was given the ISBN of 978-4800239969. Instead, the DVD book ranked #1 on the Rakuten Books Weekly Ranking in the pop/rock division. The DVD book was available in bookstores, convenience stores and EC sites nationwide. While being released a year prior to her "15th Anniversary LIVE The Artist" DVD, both had their cover art taken at the same times, with Koda Kumi on the same set in the same ensemble, with only slightly different poses. The art direction was very similar to that of her twelfth studio album, "Walk