Costa Rica. (Panama). 1896. Registered, Advice of Receipt envelope addressed to 'Captain Bass, Agent P.S.N.C. Panama' bearing Yvert 31, 1c blue/green, Yvert 32, 2c yellow (2), Yvert 33, 5c violet and Yvert 35, 20c red tied by Punta Arenas double ring '16th Juin and framed 'R/Costa-Rica/Punt Arenas/No' with hand-stamp 'Punt-Arenas/ A.R./Costa Rica' on reverse with 'Agencia Postal Nacional/Panama' receiver '3rd Jul' on face. Lovely Advice of Receipt item in exhibition quality.