Robert A. Siegel Auction Galleries, Inc. Sale

The Dr. Alfred S. Martin Collection, Part 2: U.S.First Day Covers and Earliest Documented Usages continued...

**Air Post**
Lot	Sym.	Lot Description	Est/Cat	Realized
641		6c Orange, 1918 Air Post (C1). Tied by Air Mail Service Philadelphia Dec. 16, 1918 duplex cancel on First Day of New 6c Rate cover to McBride in Washington D.C., neatly opened at top, Very Fine, one of the finest examples we have offered, Brookman catalogue value $2,750.00 (Image)	E. 1,500-2,000	2,600.00
642		6c Orange, 1918 Air Post (C1). Set of five covers with First Flights, franked with blocks of four and serviced by Albert E. Gorham on his printed flight envelopes, represented by 6/7/26 flights from Lacrosse (two different), St. Paul Minn., Minneapolis Minn. and 7/1/26 from Boston to NY (Image)	E. 400-500	350.00
643		16c Green, 1918 Air Post (C2). Tied by oval cancel, purple Air Mail Service Washington D.C. Jul. 15, 1918 duplex cancel on First Day of New 16c Rate cover with typed address to Detroit Mich., appropriate backstamps, neatly opened at top, fresh, with 1973 AFDCS certificate, Brookman catalogue value $850.00 (Image)	E. 500-750	325.00
644		16c Green, 1918 Air Post (C2). Tied by Air Mail Service New York N.Y. Jul. 15, 1918 duplex cancel on First Day of New 16c Rate cover with typed address to and serviced by Nassua Stamp Co., with their corner card, appropriate backstamp, neatly opened a top, Very Fine, an extremely clean cover (Image)	E. 500-750	550.00
645		16c Green, 1918 Air Post (C2). Tied by purple Air Mail Service Washington D.C. Jul. 15, 1918 First Day of New 16c Rate duplex cancel on legal-size "National Aerial Coast Patrol Commission" corner card cover to Aerial Age Co., neatly opened at top, only the second we have seen with this related corner card (Image)	E. 750-1,000	0.00
646		24c Carmine Rose & Blue, 1918 Air Post (C3). Tied by bold strike of Air Mail Service Washington D.C. May 15, 1918 duplex cancel on First Day of Air Mail Service cover with W. B. Hibbs & Co. corner card, neatly opened a top, stamp with tear, otherwise Very Fine (Image)	E. 500-750	575.00
647		24c Carmine Rose & Blue, 1918 Air Post (C3). S.e. at right, tied by Air Mail Service Washington D.C. May 15, 1918 duplex cancel on First Day of Air Mail Service cover to New York, appropriate backstamp, some minor soiling and slightly reduced at left, otherwise Very Fine, ex Gibson (Image)	E. 500-750	850.00

Air Post

Lot

Sym.

Lot Description

Est/Cat

Realized

641

6c Orange, 1918 Air Post (C1). Tied by Air Mail Service Philadelphia Dec. 16, 1918 duplex cancel on First Day of New 6c Rate cover to McBride in Washington D.C., neatly opened at top, Very Fine, one of the finest examples we have offered, Brookman catalogue value $2,750.00 (Image)

E. 1,500-2,000

2,600.00

642

6c Orange, 1918 Air Post (C1). Set of five covers with First Flights, franked with blocks of four and serviced by Albert E. Gorham on his printed flight envelopes, represented by 6/7/26 flights from Lacrosse (two different), St. Paul Minn., Minneapolis Minn. and 7/1/26 from Boston to NY (Image)

E. 400-500

350.00

643

16c Green, 1918 Air Post (C2). Tied by oval cancel, purple Air Mail Service Washington D.C. Jul. 15, 1918 duplex cancel on First Day of New 16c Rate cover with typed address to Detroit Mich., appropriate backstamps, neatly opened at top, fresh, with 1973 AFDCS certificate, Brookman catalogue value $850.00 (Image)

E. 500-750

325.00

644

16c Green, 1918 Air Post (C2). Tied by Air Mail Service New York N.Y. Jul. 15, 1918 duplex cancel on First Day of New 16c Rate cover with typed address to and serviced by Nassua Stamp Co., with their corner card, appropriate backstamp, neatly opened a top, Very Fine, an extremely clean cover (Image)

E. 500-750

550.00

645

16c Green, 1918 Air Post (C2). Tied by purple Air Mail Service Washington D.C. Jul. 15, 1918 First Day of New 16c Rate duplex cancel on legal-size "National Aerial Coast Patrol Commission" corner card cover to Aerial Age Co., neatly opened at top, only the second we have seen with this related corner card (Image)

E. 750-1,000

0.00

646

24c Carmine Rose & Blue, 1918 Air Post (C3). Tied by bold strike of Air Mail Service Washington D.C. May 15, 1918 duplex cancel on First Day of Air Mail Service cover with W. B. Hibbs & Co. corner card, neatly opened a top, stamp with tear, otherwise Very Fine (Image)

E. 500-750

575.00

647

24c Carmine Rose & Blue, 1918 Air Post (C3). S.e. at right, tied by Air Mail Service Washington D.C. May 15, 1918 duplex cancel on First Day of Air Mail Service cover to New York, appropriate backstamp, some minor soiling and slightly reduced at left, otherwise Very Fine, ex Gibson (Image)

E. 500-750

850.00