5 Coins - Stablizer (reloading speed increases indefinitely).3 Coins - Steroids (increase max health indefinitely).In the game's default Easy and Normal difficulties, there are 18 Antique Coins to find, and can be spent in the Yard (specifically the Trailer before you head to the Old House) and the Swamp (inside the safe house). Watch on YouTube What are Antique Coins used for in Resident Evil 7?