The 1851 Essays

Bradbury, Wilkinson & Co

11-E5a
3c Die on Stiff stamp paper
Printed in many colors

11-E5b
3c Die on Card
Printed in many colors

11-E5c
3c Die on stiff bond
Printed in brown, blue and violet black

Bald, Cousland & Co

Bradbury, Wilkinson & Co

Danforth, Bald & Co.

Draper, Welsh & Co

Gavit & Co

Rawdon, Wright, Hatch and Edison

Toppan, Carpenter, Casilier & Co

Experimentals