According to this page, there are two different gold editions. I cannot tell for the life of me which one I have. I'm going to try to collect all the colors, but don't want to buy another gold of the same type.
http://www.ayumihamasaki.ch/index.ph...-1999/222-a-10
Gold Version #1: Limited to 100.000 copies.
OR
Gold Version #2: Limited Edition
Thanks for your help!!