1913 2c Panama-Pacific Exposition: Panama Canal, carmine, perf 12
1898 2c Trans-Mississippi Exposition: Farming in the West
1901 1c Pan-American Exposition: Fast Lake Navigation
1938 14c Pierce, blue
1893 4c Columbian Commemorative: Fleet of Columbus
1893 10c Columbian Commemorative: Columbus Presenting Natives
1895 3c Jackson, purple, double line watermark
1898 5c Grant, dark blue
1898 6c Garfield, lake
1898 1c Trans-Mississippi Exposition: Marquette on the Mississippi
1898 5c Trans-Mississippi Exposition: Fremont in Rockies
1898 8c Trans-Mississippi Exposition: Troops Guarding Train
1901 4c Pan-American Exposition: Electric Automobile
1909 5c Washington, blue, double line watermark, imperforate
1913 1c Panama-Pacific Exposition: Balboa, green, perf 12
1913 5c Panama-Pacific Exposition: Golden Gate, blue, perf 12
1915 2c Washington, carmine, veritcal perf 10, type III
1916 1c Washington, green
1916-17 2c Washington, carmine
1917 1c Washington green, perf 11
1917 5c Washington, blue
1917 6c Washington, red orange
1917 8c Franklin, olive bister, perf 11
1917 10c Franklin, orange yellow