Costa Rica. (Panama). 1897. Registered envelope addressed to 'Captain Bass, Agent P.S.N.C. Panama' bearing Yvert 33, 5c violet and Yvert 35, 20c red tied by concentric ring obliterator on reverse with Punta Arenas double ring '29th Sept' and framed 'R/Costa-Rica/ Puntarenas' in blue with 'Agencia Postal Nacional/Panama' receiver '2nd Oct' on face. Very fine item of registered mail from Costa Rica.