Lot 2324Airmail, 1972, 11¢ City of Refuge, blue & green omitted, o.g., never hinged, fresh and Very Fine, with only 92 ever reported.
Scott No. C84a $650.
Lot 2325Airmail, 1988, 36¢ Sikorsky, top right plate block of 4, o.g., never hinged, showing foldover in selvage and an extra row of horizontal perforations in top pair, Very Fine, a rare perforation and paper foldover combination; with 1991 P.F. certificate.
Scott No. C119 Estimate $100 - 150.
Lot 2326Airmail, 1989, 45¢ U.P.U. Congress, light blue (engraved) omitted, right margin se-tenant block of 4, o.g., never hinged, Very Fine, approximately 60-80 blocks issued.
Scott No. C125b $575.
Lot 2327Postage Due, 1959 (3¢) carmine rose & black, denomination omitted, top stamp in a transitional strip of 6 with normal, o.g., never hinged, bright and fresh, Very Fine, rare with approximately 40-60 issued.
Scott No. J91a $600.
Lot 2328Postage Due, 1959 (6¢) carmine rose & black, denomination omitted, top stamp in a transitional strip of 3 with normal, fresh and Very Fine, very rare with only 20 reported according to Datz.
Scott No. J94a $750.
Lot 2329 BK2013 (46¢) Flags, serpentine die cut, complete unexploded booklet, with no horizontal die cuts on left pair on side with 8 stamps and right 3 pairs on side with 12 stamps, small tear in one error stamp not mentioned on certificate, otherwise Very Fine, a rare and possibly unique imperforate between error; with 2016 A.P.S. certificate.
Scott No. 4785d var. Estimate $150 - 200.