Tvangstillægsmærker
Panama, Michel Z 8, Cover
1942. PANAMA. LUNCHA CONTRA EL CANCER. Pedro and Maria Curie. Nobel prize winner. 1 c + CORREOS 2 c. on 5 c on censored cover (folds, tears) to USA cancelled PANAMA MAR 12 1942. Censor tape cancel PASSED BY EXAMINER No. 1896.
Panama, Michel Z 36, Mint never hinged
1959. PANAMA. INSTITUTO DE REHABILITACION DE MENORES 1c IN PROOFS. 15 BLOCK green and black imperforated vertically, 15-block only black frame and finally 25-block imperforated. All stamps never hinged. Very unusual offer.
Panama, Michel 52-61, Cover
1964. BOYS SCOUTS PANAMA. 10 EX. FIRST DAY 7 FEB 1964.