1898 Trans-Mississippi: Mining Prospector 50c Sage Green
This stamp shows a mining prospector in the West. It is part of the Trans-Mississippi set.
Exhibitions and Expositions
1893 Columbian Exposition: Columbus Restored to Favor 8c Magenta
This stamp commemorates Columbus by showing his restoration to favor in the court of Isabella.
1893 Columbian Exposition: Santa Maria 3c Green
This stamp commemorates Columbus by showing a likeness of his flagship, the Santa Maria. Note: I do not own this stamp yet. It is here courtesy of the Wikimedia Commons.
1893 Columbian Exposition: Columbus Presenting Natives 10c Black Brown
This stamp commemorates the Columbian Exposition by showing Columbus presenting native Americans to the king and queen of Spain.
1893 Columbian Exposition: Columbus Welcomed at Barcelona 6c Purple
This stamp commemorates the Columbian Exposition by showing Columbus being welcomed at Barcelona. (Trust me. It’s all there behind the heavy cancel.)