Canal Zone, 1929, 50¢ Blackburn, block of 10 and pair, used with 12¢ brown violet (109), all cancelled by Balboa roller cancels on official business Canal Zone parcel tag, Penalty Imprint has been cross out with red crayon; card creased, Fine. Scott No. 114  Estimate $150 - 200. $0 (Image)

Canal Zone, Airmail, 1931, 15¢ on 1¢ yellow green, type II, o.g., never hinged, perfect centering amid evenly balanced margins, post office fresh, Extremely Fine to Superb; with 2013 P.F. certificate. Scott No. C2  $110. $0 (Image)

Canal Zone, Postage Due, 1930, 2¢ on 5¢ blue, group of approximately 300 plate blocks of six cancelled by targets, from all positions including top, bottom and sides, unpriced in Scott as used, F.-V.F. Scott No. J22  Estimate $400 - 600. $0 (Image)

Canal Zone, Postal Stationery Collection, 1916-75, 56 items (35 envelopes & 21 postal cards) displayed and annotated in stockbook; 90% of all stationery issues represented (U, UX, UC & UXC), all VF material and a nice start to a CZ postal stationery collection; owner's cat $1,236. Estimate  $250 - 350. $0