FOREIGN POST-OFFICES IN BUENOS AIRES – ENGLISH POSTAL AGENCY

STAMPLESS COMPLETE COVER OF THE “PENGUIN PETIT LAROCHE & Co. BUENOS AYRES” POSTMARK IN DOUBLE ECLIPSE WITH “10” INDICATING SIMPLE RATES AND MARKS VK N° VI (FECHADOR SIMPLE CIRCLE) “BUENOS-AYRES FEB 26 68” AND N° XI (RECTANGULAR) “GB-1F60c”