52 | Spain

Automatically generated translation

766s. 1938. Block sheet. AIR+5 PTS and WITHOUT DENTATION. First Day Envelope Internal Mail of BARCELONA. MAGNIFICENT AND EXTRAORDINARILY RARE, ONLY THREE OR FOUR KNOWN THAT WERE USED AS THE FIRST DAY OF CIRCULATION, AND THEY ARE THE ONLY ONES THAT CAN BE CONSIDERED CIRCULATED, EVEN IF THEY ARE IN A PHILATELIC MANNER, THE NUMBERS RESERVED FOR THESE WERE FROM 551 TO 650, NO OTHER CIRCLE LEAF , AND THOSE THAT EXIST SHOULD ALL BE PLACED IN DOUBT. Certificate CEM.