Mint mark omitted on Philadelphia Mint issues.Įagle clutching olive branch landing on the Moon, based on the Apollo 11 mission insignia designed by astronaut Michael Collins Located on the obverse beneath Eisenhower's bust. Coins struck in 19 bear double date '1776–1976'ĭ, S. Circulation strikes: outer layers of 75.0% copper 25.0% nickel clad with a core of 100% copper (in all 91.67% copper, 8.33% nickel).įor silver clad: Outer layers of 80% silver with a center of 20.9% silver.
