When did Lincoln pennies stop being made of copper? - Quora
Circulated 1940 Year Lincoln Wheat US Small Cents (1909-1958) for sale
1940- s. full roll of 50 wheat cents all 1940-s minted
Roll mixed date 1930-1939 Lincoln Wheat Pennies : Collectibles & Fine Art
Circulated 1940 Year Lincoln Wheat US Small Cents (1909-1958) for sale
Stacks Bowers Galleries
Wheat Cents - Pre-1940's - (Roll of 50 Coins) - Monarch Precious Metals
History of U.S. Circulating Coins
Wheat Pennies – Midwest Precious Metals