Sonic The Hedgehog Ring Necklace Official Sega Pendant Charm Collectible This is a brand new, factory sealed, officially licensed Sonic The Hedgehog/Sega necklace. This is a limited edition item. The full edition size is 9,995 total necklaces. Each necklace is individually numbered. It's diameter is 30mm. #SonicTheHedgehog #Necklace #Sonic #Sega