Bolivia, Michel 318, Brev
1942. SERVICO AEREO BOLIVIA-COCHABAMBA 26 SET 1942. 3X 5 Bs. + 2X 45C. EXAMINED BY 4901.

Bolivia, Michel 533, Brev
1954. Bs 16 SERVICIO AEREO BOLIVIA-LA PAZ 29 ENE 1954.

Bolivia, Michel 535, Brev
1954. Bs 16 + 10 + 3,70 + 40 SERVICIO AEREO BOLIVIA-LA PAZ 21 SET 1953.

Bolivia, Michel 540, Brev
1954. Bs 45 SERVICIO AEREO BOLIVIA-LA PAZ 4 OCT 1954.

Bolivia, Michel 539, Brev
1955. Bs 2X 30 + Bs 100 SERVICIO AEREO BOLIVIA-LA PAZ 18 JUL 1955.

Bolivia, Michel 541, Brev
1954. Bs 45 + 30 + 27 + 20 + 100 + 300 SERVICIO AEREO BOLIVIA-LA PAZ 11 AGO 1954.

Bolivia, Michel 541, Brev
1954. Bs 45 + 30 + 27 + 20 + 100 + 300 SERVICIO AEREO BOLIVIA-LA PAZ 11 AGO 1954. NEW YORK PECK SLIP STA. AUG 16 1954.

Bolivia, Michel 602-605, Brev
1960. 3000 + 5000 + 10000 + 15000 AIR MAIL. REC. NEW YORK PECK SLIP STA. APR 15 1960.

Bolivia, Michel 589-591, Brev
1957. 600 + 600 + 90 Bs AIR MAIL PRIMIER DIA DE EMISION Dcbr. 19 DE 1957.

Bolivia, Michel 71, Brev
1894. 2 + 12 C. NUEVA YORK.