20 Gram International Mint Nation of Rifleman US Rifle 30 Caliber M1 Round PF

From a series of 30 medals commissioned by the NRA between 1971 and 1975.

Obverse: The design on the obverse depicts the US 30 caliber M1 rifle.  The scene below shows the famous image of the flag raising at Iwo Jima. Inscribed at the top is the name "US RIFLE CAL..30. M1". 

Reverse: The central feature of the reverse is text that describes the invention and use of the weapon. Above the text is the Liberty Bell, while an eagle in flight is depicted below. 

Edge: The edge is smooth.  The purity and content of ".999 FINE SILVER" are inscribed at the top, with a 5-digit serial number located at the bottom.