Sale 1229 Worldwide Stamps and Postal History

COLOMBIA, 1920, 50c Green, "GM" Signature, Signature Trial in Black (CLEU2a). Sheet margin at bottom, h.r., manuscript overprint inverted, vertical crease

VERY FINE APPEARANCE. THIS IS THE UNIQUE MANUSCRIPT "GM" IN BLACK TRIAL OVERPRINT ON THE 50-CENTAVOS. TWO ARE KNOWN ON THE 30-CENTAVOS -- ALL THREE ARE OFFERED IN THIS SALE.

These entered the philatelic market when offered in a private sale of SCADTA archives. With 2008 Colomphil certificate (Image Magnifier)

(View PDF of certificate)