collection of mostly mint singles, pairs, and blocks, we note varieties including long "Panamas" (18.1, 19.4), "P nama" (18.2, 19.5), two "Panamas" close together (18.4, 19.8), one "Panama" only (19.7, 20.7), "N" antique in "Canal" (19.1, 20.1), "N" with double diagonal stroke (20.9), three "Panamas" (20.14), "Zone" antique in block of four (20b), and more, generally fine to very fine, an ideal collection for the specialist and worth a close look