Johnston crossdressing ca. 1890

[Frances Benjamin Johnston, full-length self-portrait dressed as a man with false moustache, posed with bicycle, facing left]; 1890-1900
src Library of Congress

[Frances Benjamin Johnston (right), full-length self-portrait dressed as a man with false moustache, posed with two unidentified women, one of whom is also dressed as a man]; 1880-1900 | src Library of Congress

According to Shorpy ─in this website the photograph is titled “Reverso”─ Frances Benjamin Johnston is posing here with two similarly cross-dressing friends. The “lady” is a gent identified in a few other FBJ photos as the illustrator Mills Thompson.