includes the complete mint sets (Type A and B) sorted by printing, plus numerous minor varieties including CZSG-listed (almost all mint) Type A ½c Olive brown 7¾mm spacing (70.1b), 8mm spacing (70.1c), 8½mm spacing (70.1e), 8¾mm spacing (70.1f), 9mm spacing (70.1g), 9½mm spacing (70.1h), 10mm spacing (70.1i), "Canal Zone" above others in horizontal row (70.2), work-up below "Zone" (70.2), work-up above "Canal" (70.4), 1c Deep green 8¾mm spacing (71.1a), 9mm spacing (71.1b), 10mm spacing (71.1c), "Canal Zone" above others in horizontal row (71.4a), 1½c Yellow brown brown (72.1), 7¾mm spacing (72.2b), 8mm spacing (72.2c), 8½mm spacing (72.2e), 8¾mm spacing (72.2f), 9mm spacing (72.2g), 9½mm spacing (72.2h), "Canal Zone" above others in horizontal row (72.3), 2c Carmine "Z" of "Zone" under "C" of "Canal" (73.1), 8½mm spacing (73.2a), 9mm spacing (73.2c), 5c Dark blue 8½mm spacing (74.2a), 9mm spacing (74.2c), 12c Brown violet 8½mm spacing (76.2a), 9mm spacing (76.2b), 14c Dark blue 7¾mm spacing (77.1b), 8mm spacing (77.1c), 8½mm spacing (77.1e), 9mm spacing (77.1g), 15c Gray 8½mm spacing (78.1), 30c Olive brown 8½mm spacing (79.1a), 9mm spacing (79.1b), 50c Lilac "Z" of "Zone" under "C" of "Canal" (80.1a), "E" of "Zone" under "L" of "Canal" (80.1b), $1 Violet brown 9½mm spacing (81.1a), Type B 2c Carmine 10½mm spacing (84.1d), 11¼mm spacing (84.1e), 11¾mm spacing (84.1f), 3c Violet overprint split horizontally (85.4), 5c Dark blue overprint split horizontally (86.5b), 10c Orange 9¾mm spacing (87.4a), 12c Brown violet 8¾mm spacing (88.3a), 15c Gray 8½mm spacing (90.4a), 17c Black "Z" of "Zone" under "C" of "Canal" (91.1b), 8¾mm spacing (91.2b), 9¼mm spacing (91.2c), 9½mm spacing (91.2d), 9¾mm spacing (91.2e), 10mm spacing (91.2f), "Canai Zone" (91.3a), overprint split vertically (91.4), horizontal work-up (91.5a), 20c Carmine rose "Z" of "Zone" under "C" of "Canal" (92.1a), "E" of "Zone" under "L" of "Canal" (92.1b), 8½mm spacing (92.2a), 8¾mm spacing (92.2b), "Canal Zone" above others in horizontal row (92.3), and 30c Olive brown "Z" of "Zone" under "C" of "Canal" (93.3a), "E" of "Zone" under "L" of "Canal" (93.3b), overprint split vertically (93.4), and 8¾mm spacing (93.5), plus many broken letters and other printing flaws neatly identified, generally very fine, an extraordinary collection which would be nearly-impossible to replicate