CUBA - 1953 JOSE MARTI CENTENNIAL SANDBLAST FINISH SP MATTE - COMPLETE SET

Set Description
UNIQUE DISCOVERY SET WITH ITS EXISTENCE UNKNOWN IN THE PAST. SPECIALLY SAND BLASTED MATTE PROOF SET STRUCK BY THE PHILADELPHIA MINT IN 1953 AND POSSIBLY SAND BLASTED IN CUBA BY THE BANCO NACIONAL DE CUBA AS AN EXPERIMENTAL ISSUE.