Obverse Design "N.C.O. CLUB" curved along the top. "ALBROOK" and "FIELD" in two lines across the middle. "CANAL ZONE" curving along the bottom. Circle of beads close to the edge. Smooth plain raised edge. Reverse Design "GOOD FOR" curved along the top. Large "5" in the center with a "¢" to the right. "IN TRADE" curving along the bottom. Circle of beads close to the edge. Smooth plain raised edge. Metal Aluminum. Weight Unknown. Size and Shape Round, 20 mm in diameter. Dates Issued Unknown, but sometime between 1930 when the NCO club was built, and 1949 when Albrook Field became Albrook AFB. Issuer Albrook Field. Mintage Unknown. Rarity Scarce. Manufacturer Unknown. Other Catalog Numbers Asociación Numismático's F-18 (photo), Conte Porras page #102 (photo), Cunningham's CZ20a and Henkle's CZ-79. Varieties In the photos I've studied such as the ones above and below on the reverse side there is a dot inside the curve of the five. This may be the only die variety. Function Service club token. Population Count Five specimens in collector hands are known to me. I do not know of any recent sales. Another Example of MT-50.05 Scale: 6 pixels equals one millimeter Rubbing of Actual Coin