Lot
2301 
1923, 2¢ Harding, imperf, centerline block of 4, o.g., never hinged, enormous even margins encompassed by adjacent stamps all around, deep intense color, a Superb gem; with 2016 P.S.E. certificate Graded (Gem 100J). Scott No. 611 $130.
Realized: $550
Lot
2302
1923, 2¢ Harding, imperf, top margin plate 15027 block of 18 including top arrow block, o.g., lightly hinged, signed at top "Florence Kling Harding", the widow of the President, large margins, light even toning, otherwise Very Fine. Scott No. 611 Estimate $150 - 200.
Realized: $300
Lot
2303
1923, 2¢ Harding, imperf, lower right pane of 100 with two plate 15028 numbers, o.g., never hinged, two light horizontal folds above and below side plate block between 3rd-4th and 6th-7th rows, Very Fine. Scott No. 611 $900 + as singles.
Realized: $625
Lot
2304 
1923, 2¢ Harding, imperf, tied by "Flint, Mich. 1927, Jul" machine cancel on cover with multicolor Dupont Shoot Powders illustrated ad design showing Quail on Rock, addressed to Detroit Mich., F.-V.F. Scott No. 611 Estimate $100 - 150.
Lot
2305
1923, 2¢ Harding, Schermack type III perfs, showing full perfs at right, rich bold color, tied by "Flint, Mich, Aug 24, 1924" machine postmark on cover to Detroit, Mich., Very Fine; with 2003 P.S.E. certificate. Scott No. 611 $6,000.
AN EXTREMELY RARE ON COVER USAGE OF THE 1923 2¢ HARDING ISSUE WITH SCHERMACK TYPE III PERFORATIONS - ONE OF AT LEAST SEVEN RECORDED ON COVER USAGES.
Includes a copy of a October 23, 1924 letter from the Mail-o-Meter Company stating…"In response to your inquiry, please be advised that we did perforate a few two cent Harding stamps, the exact amount, however, I cannot say. as our records are not clear regarding the various issues which are perforated and reeled by the Schermack method." with a memo below by Karl Koslowski who addressed this cover and was the one who discovered the rare 1908 4¢ issue with Schermack type III perfs.