Lithography
Planographic · Peak 1890–1930 · 2 designs
Drawn on stone or plate; flat, even color
United Nations 25th Anniversary6c · United States · 1970
Alabama Statehood Bird and Flower6c · United States · 1969Drawn on stone or plate; flat, even color
United Nations 25th Anniversary6c · United States · 1970Alabama Statehood Bird and Flower6c · United States · 1969