7th Anniversary Coin
7th Anniversary Coin is a coin (other) in GMS v271. Sells to NPCs for 1 mesos.
A coin to commemorate MapleStory's 7th Anniversary. You can only find these during the 7th Anniversary celebration. You can use them to buy Joy Bird Feathers, which Inkwell can then use to upgrade Maple Beryl equipment into Crimson Maple equipment.