Finally got my 20th Anniversary Duelist Box. While it's far from the most valuable card I own, the 20th Secret Rare Stardust is definitely the most beautiful. : r/yugioh
Amazon.com: YU-GI-OH! / "Utonomatopia (Ultra) / 20th Anniversary Duelist Box (20TH-JPB20) / A Japanese Single Individual Card : Toys & Games