Thanks to Dan, who gifted me one of the best coins which I added to my collection.

a proof 1978 -s mint Eisenhower Dollar.

Dwight D. Eisenhower was the 34th President of the United States

                         Reverse                             Obverse                               
Eagle flying over the moon holding an olive branch; tribute to the Apollo 11 Mission Insignia.

1971 - 1978 Eisenhower Dollar (United States)                 
Mintage figures is indicated for the year 1978 of S (San Francisco Mint in San Francisco, California) it to of the order 3,127,781 coins.

Design	General/President Dwight D. Eisenhower
Designer	Frank Gasparro
Design date	1971

Mass	22.68 g
Diameter	38.1 mm
Thickness	2.58 mm
Edge	reeded
Composition	Outer Layers: 75.0% Cu, 25.0% Ni Core: 100% Cu
Years of minting	1971–1978
Catalog number	km203