DATABASE: Leo C. Kauffmann

STAMPS

1922
United States, Definitives, vignettes of 4c, 9c and $2

1935
United States, Michigan centenary, vignette only

1936
United States, Texan Independence, Austin portrait only
United States, Army and navy heroes, Lee and vignette of 4c army, vignette of 1c navy and portraits on 3c navy

1937
United States, Ordinance, portraits only

1938
United States, Presidential series, vignettes of 1.5c, 4c, 11c, 14c, 17c and $1

1939
Canal Zone, Airmail service, 25c vignette only

1940
United States, Famous Americans, vignettes of 1c authors, 2c educationalists, 5c scientists, 10c composers and 5c inventors

1955
Venezuela, Valencia del Rey

OTHER PHILATELIC ENGRAVINGS

1941
United States, Postal savings stamps, vignette of  10c, 25c, 50c and $1 (1)

1945
Venezuela, Maternity social security revenue stamp (1)

NON-PHILATELIC ENGRAVINGS

1942
Turkey, Boy scout buglers on 1000l banknote P146 (1)

Notes:
(1) Collecing by engraver - Stampcommunity website