CANAL ZONE: 4/158,etc: Collection 1904 to 1968, mint and used until 1928 then more mint, many sets, with 8, 18, 30, 42-45, C15-20 all mint, 46-47, 59, 60-68 all used, with Dues, Officials, Air Officials, etc, most earlier appear genuine, f-vf. Inspect.

Est. 300+