STAMPS
1908
United States, Definitives, lettering on 4c, 5c, 13c, 50c and $1
1909
United States, Abraham Lincoln centenary, lettering only
1912
United States, Parcel post postage dues, frame and lettering of 1c and 25c
1913
United States, Panama-Pacific exposition, lettering on 2c
1922
United States, Definitives, frames of all values except 1.5c and $5
1923
United States, Harding memorial, frame only
1925
United States, Lexington-Concord, vignette of 5c and all frames
United States, Norse-American centennial, vignette of 5c
United States, Definitives, frames only
1926
United States, Airmail, vignette only
1928
United States, Civil aeronautics, vignette of 2c
1929
United States, Edison's lamp, vignette and frame only
1930
United States, Charleston settlement, vignette only
United States, Graf Zeppelin, vignettes of 65c and $1.30
1931
United States, Surrender of Cornwallis, lettering only
1932
Philippines, 4c and 20c definitives (2)
United States, George Washington, vignettes of 0.5c, 1.5c, 3c and 4c
1933
United States, Chicago flight, vignette only
United States, Byrd expedition, vignette only
United States, Kosciuszko, vignette only
1934
Canal Zone, 20th anniversary of opening of Panama Canal, vignette only (1)
United States, Maryland, vignette only
United States, Mother's day, vignette only
United States, National Parks, vignettes of 1c, 3c and 7c
1935
United States, Connecticut Tercentenary, vignette only
1936
United States, Women's suffrage, frame only
NON-PHILATELIC ENGRAVINGS
1918
United States, President Jefferson on $2 banknote P372 and all further small-size $2 banknotes (2)
1929
United States, Lincoln Memorial on $5 banknote P395 and all further small-size $5 banknotes (2)
1958
United States, Female head on reverse of $5 military payment certificate M41 92)
Notes:
1) Collecting by engraver - Stampcommunity website
2) The Engraver's Line - Gene Hessler
1908
United States, Definitives, lettering on 4c, 5c, 13c, 50c and $1
1909
United States, Abraham Lincoln centenary, lettering only
1912
United States, Parcel post postage dues, frame and lettering of 1c and 25c
1913
United States, Panama-Pacific exposition, lettering on 2c
1922
United States, Definitives, frames of all values except 1.5c and $5
1923
United States, Harding memorial, frame only
1925
United States, Lexington-Concord, vignette of 5c and all frames
United States, Norse-American centennial, vignette of 5c
United States, Definitives, frames only
1926
United States, Airmail, vignette only
1928
United States, Civil aeronautics, vignette of 2c
1929
United States, Edison's lamp, vignette and frame only
1930
United States, Charleston settlement, vignette only
United States, Graf Zeppelin, vignettes of 65c and $1.30
1931
United States, Surrender of Cornwallis, lettering only
1932
Philippines, 4c and 20c definitives (2)
United States, George Washington, vignettes of 0.5c, 1.5c, 3c and 4c
1933
United States, Chicago flight, vignette only
United States, Byrd expedition, vignette only
United States, Kosciuszko, vignette only
1934
Canal Zone, 20th anniversary of opening of Panama Canal, vignette only (1)
United States, Maryland, vignette only
United States, Mother's day, vignette only
United States, National Parks, vignettes of 1c, 3c and 7c
1935
United States, Connecticut Tercentenary, vignette only
1936
United States, Women's suffrage, frame only
NON-PHILATELIC ENGRAVINGS
1918
United States, President Jefferson on $2 banknote P372 and all further small-size $2 banknotes (2)
1929
United States, Lincoln Memorial on $5 banknote P395 and all further small-size $5 banknotes (2)
1958
United States, Female head on reverse of $5 military payment certificate M41 92)
Notes:
1) Collecting by engraver - Stampcommunity website
2) The Engraver's Line - Gene Hessler
You will find Joachim Clarence Benzing's biography HERE.