Lot
1390 
1938, 10¢ Presidential, tied by dumb oval on incoming G.B. 6½d registered letter envelope, cancelled by "Registered, 26 Sep 1951" oval to Minneapolis Minn., London registry label, purple "Letter Package, Collect Ten Cents" two-line and "Pass Free, U.S. Customs, St. Paul Minn." three-line handstamps, Oct. 10th arrival backstamp, Very Fine and scarce mixed-franking. Scott No. 815 Estimate $150 - 200.
Realized: $170
Lot
1391
1938, 11¢ Presidential, tied by "Clifton N.J., Aug 22, 1939" machine cancel on cover to Poland, endorsed "by air mail" and blue "Par Avion by Air Mail" form 2978 label affixed, Lwow (9.1) arrival backstamp, Very Fine and exceptionally rare solo use. Scott No. 816 Estimate $1,000 - 1,500.
ONE OF THE RAREST PREXIE ISSUE SOLO USAGES PAYING AN EXACT RATE, THE 5¢ UPU SURFACE RATE PLUS AIRMAIL SURCHARGE WITHIN EUROPE.
THIS COVER WAS BACKSTAMPED THE DAY THAT GERMANY INVADED POLAND, MARKING THE START OF WWII.
This cover was prepaid 11¢ for the single 5¢ UPU surface rate for up to one ounce plus double the 3¢ per ½ oz. air mail surcharge within Europe.
Realized: $1,200
Lot
1392
1938, 11¢ Presidential, tied by "Kansas City, Mo. Aug 2, 1943" machine cancel with "Buy War Savings Bonds and Stamps" slogan on cover to England at the triple UPU surface rate; small nick at top, Very Fine and rare 11¢ solo triple UPU surface rate. Scott No. 816 Estimate $750 - 1,000.
ONE OF THE RAREST PREXIE ISSUE SOLO USAGES PAYING AN EXACT RATE.
The 11¢ triple UPU rate was in effect from October 1, 1907 to October 31, 1953. A similar triple UPU surface rate use for up to 3 ounces from the Suffet collection was recently sold at auction for $1,140.
Realized: $525
Lot
1393
1938, 11¢ Presidential, tied by partial Denver oval, matching "Denver Colo., Air Mail, Sep 15, 1938" duplex on cover to Prague, Czechoslovakia, turquoise "Air Mail to New York", "Per S/S Europa" and "Via Airmail "In Europe" " straightline handstamps, blue "Par Avion by Air Mail" form 2978 label affixed, Prague (9.23) arrival backstamps, Very Fine and rare solo use. Scott No. 816 Estimate $750 - 1,000.
ONE OF THE RAREST PREXIE ISSUE SOLO USAGES PAYING AN EXACT RATE, THE 5¢ UPU SURFACE RATE PLUS AIRMAIL SURCHARGES IN THE US AND EUROPE.
This cover was prepaid 11¢ for the single 5¢ UPU surface rate plus 3¢ per ½ oz. air mail surcharge within the United States and 3¢ per ½ oz. air mail surcharge within Europe. The letter was sent by air mail from Denver to New York, then surface on the "Europa" and air mail upon arrival in Europe to Prague.
Realized: $1,050
Lot
1394
1938, 11¢ Presidential, tied by "Bayonne N.J., Jan 15, 1949" duplex on 4¢ Airmail (UXC1) postal card to Germany, Berlin (1.18) arrival cds; minor perf toning, Very Fine. Scott No. 816 Estimate $150 - 200.
Since there would be no airmail postal card rate to Germany until June 1, 1954, this card going to Germany required first class postage of 15¢ per ½ ounce.
Realized: $270
Lot
1395
1938, 11¢ Presidential, tied by "Washington D.C., 3 Jun, 1962" machine cancel on picture post card to Sweden at the 11¢ air mail post card rate, purple "Air Mail" endorsement, Very Fine and choice use, The solo 11¢ air mail post card rate marked the end of the Prexie Issue. Scott No. 816 Estimate $150 - 200.
The 11¢ value was the last value of the Fifth Bureau Issue to be replaced by a value of the Liberty Series. This 11¢ air mail post card rate went into effect July 2, 1961 and saw the end of the need to distribute this series.
Realized: $190
Lot
1396
1938, 12¢ Presidential, tied by "Ithaca, N.Y., Nov 19, 1953" machine cancel on gray cover with "Cornell" flag label to Germany at the 12¢ double UPU surface rate; some wrinkling and soiling, Very Fine and scarce solo double UPU surface use. Scott No. 817 Estimate $200 - 300.
The double UPU surface rate was 8¢ for first ounce plus 4¢ for second ounce. This rate was in effect November 1, 1953 to July 31, 1958.
Realized: $200