A beautiful 20-coin progression of Winged Liberty Head Dimes, commonly called Mercury Dimes, spanning the heart of the interwar period.
Designed by Adolph A. Weinman, these 90% silver dimes feature Liberty with winged cap symbolizing freedom of thought, and the reverse depicts a fasces and olive branch — strength and peace.

Composition: 90% Silver / 10% Copper
Diameter: 17.9 mm | Weight: 2.5 g each
Total Silver Weight: ≈ 0.1447 oz per coin → ~2.9 oz total silver content

Dates & Grades (from your holders):
1920 G4, 1923 G4, 1925 (unclear photo), 1926 G4, 1928 VG8, 1930 VG8, 1931 VG10, 1936 VF20, 1936-D VG8, 1937 VF20, 1937-S F12, 1939 VF20, 1939-S VF20, 1940-S VF20, 1941 MS63, 1942-S VF30, 1944 EF40, 1944 MS63