CANAL ZONE, 1941, 10c-40c Air Post Officials, Ty. II (CO9-CO12).
Accumulation of 22 stamps comprising 10c (seven), 20c (three), 30c (eleven), 40c (one), mostly on piece in combination with other Ty. I ovpts., also incl. collection of 36 covers and group of sorted unused and used stamps incl. other officials, generally Fine-Very Fine and rare group, Nos. CO9-CO12 catalogue $3,345
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