Lot
2200 
San Diego (Exposition Sta.) Cal./Jul. 26, 1915/Registered. Beautifully struck violet double circle postmark (similar to Bomar SD16-02) on Post Office Dept. Penalty Envelope with rare unlisted violet straight line "Exposition Station, San Diego, Cal." handstamp, cover endorsed in address panel "Compliments of Exposition Station", Extremely Fine, a rare cover which is used in 1915 and is the only known example of this combination of markings. Estimate $500 - 750.
Realized: $3,750
Lot
2201
San Diego (Exposition Sta)., Cal./Registered. Rare violet double circle (Bomar SD15-) backstamp on 1915 registered cover to Ohio, franked with 1¢ + 2¢ Pan-Pacific in combination 5¢ Jamestown + 4¢ Parcel Post tied by San Diego oval cancels, included is the original registered receipt filled out in pencil denoting the Expo. Station, cover opened for display, Very Fine. Estimate $500 - 750.
Realized: $625
Lot
2202
San Diego, Cal/May 20, 1915/Exposition Sta. Numeral "1". Two strikes of duplex cancel (Bomar SD15-01) tying 1907 2¢ Jamestown in combination with 2¢ Pan-Pacific on cover to Ohio with attractive Expo. label, Extremely Fine and attractive. Estimate $150 - 200.
Realized: $90
Lot
2203
San Diego, Cal./May 21, 1915/ Exposition Sta. Duplex cancel (Bomar SD15-01) tying 10¢ Special Delivery on 2¢ red Centennial entire to Ohio, entire with hint of minor toned spots, Very Fine, a very scarce special delivery usage. Estimate $150 - 200.
Realized: $950
Lot
2204
San Diego, Cal/Apr. 1, 1915/Exposition Sta. Numeral "1". Duplex cancel (Bomar SD15-01) tying 2¢ Washington-Franklin on reverse of cover with Official corner card & imprint of the "Division of Exploitation & Publicity", cover with all over illustrated design showing a Bird's Eye View of the Expo. grounds on the front, original letter included on lovely illustrated Expo. letterhead in blue, Extremely Fine and attractive. Estimate $150 - 200.
Realized: $95
Lot
2205
San Diego, Cal/Dec. 23, 1916/Exposition Sta. Numeral "1". Duplex cancel (Bomar SD16-01) tying 2¢ Washington-Franklin on cover addressed to the "San Joaquin Valley Building, c/o P.C.I.E., San Diego ", cover with small 1916 Expo. advertising in blue, Very Fine, a scarce usage during the 1916 extension of the Exposition. Estimate $150 - 200.
Realized: $75
Lot
2206
San Diego, Cal/Exposition Sta. Numeral "1" duplex cancel (Bomar SD15-01) on five different covers (all from the same correspondence), all with Pan-Pacific frankings in combination various other commemoratives including 5¢ Jamestown, 1¢ & 2¢ Trans-Miss., 2¢ Hudson-Fulton, etc., four with Exposition labels, one cover registered with unusual straight line "Found in ordinary mail" & backstamped with "San Diego" registry handstamps, one stamp with trivial defect, Very Fine and attractive. Estimate $500 - 750.
Realized: $325
Lot
2207
San Diego, Cal/May 20, 1915/Exposition Sta. Numeral "1". Two strikes of duplex cancel (Bomar SD15-01) tying 1901 1¢ Pan Am in combination with 1¢ Pan-Pacific on cover to Ohio with attractive multicolor Expo. label, Extremely Fine and attractive. Estimate $150 - 200.
Realized: $130
Lot
2208
San Diego, Cal/May 21, 1915/Exposition Sta. Numeral "1". Two strikes of duplex cancel (Bomar SD15-01) tying 1904 1¢ Louisiana Purchase + 1915 1¢ Pan-Pacific in combination with 10¢ Special Delivery on cover to Ohio with attractive Expo. label, cover opened for display, Extremely Fine and attractive, a very scarce item with the Special Delivery usage. Estimate $200 - 300.
Realized: $500
Lot
2209
San Diego, Cal. Exposition Sta./Mar. 17, 1916. Bold strikes of duplex cancel tying 1¢ Washington-Franklin imperf. pair on green cover to Cleveland, original enclosure included on matching green card for St. Patrick's Day, cover open on three sides, Extremely Fine, a rare usage during the 1916 extension of the Exposition, only 6 recorded examples. Estimate $100 - 150.
Realized: $115