EBAY  PROMONYCC - The Coupon is a 20% discount, valid until 11:59 PM PST on October 9, 2017 Eligible items include items purchased from the following categories: Collectibles, Comics, Art, Entertainment Memorabilia, Pottery & Glass. Coupon can be used once per PayPal account within a single transaction (or cart) So as long as the item is placed in those categories it should give you the discount.  hi-metal, dx chogokin, metal build , etc. https://www.ebay.com/b/Other-Collectible-Japan