1876 Philadelphia Centennial Expo. Two local covers comprising illustrated Centennial Art Gallery corner card on cover with #178 locally addressed, and purple United States Centennial Commission imprint cover with #178 tied by Centennial expo duplex addressed locally, F.-V.F.
Estimate; $150 - 200. Est. $150-200 (Image)

Est. $150-200

1893 Columbian Exposition Entrance Tickets. 10 different, including set of the 6 tickets printed by the American Bank Note Co., plus Chicago Day with stub, Manhattan Day with stub, "Chicago Day" with stub, "Children's Special Ticket" & "Good Only on Day of Sale" tickets, also includes 1893 Columbian Expo portfolio of views issued by the Dept. of Photography, hb; hint of toning, F.-V.F.
Estimate; $200 - 300. Est. $200-300 (Image)

Est. $200-300

1897 Nashville Tennessee Exposition Postal Card (Megson Ge-10). Unused, showing bird's eye view of the expo; small top right corner crease, still Very Fine and scarce in this condition, Megson $275.
Estimate; $150 - 200. Est. $150-200 (Image)

Est. $150-200

1899 National Export Exposition. Group of three items comprising National Export Exposition multicolor advertising cover with 2¢ Bureau tied by expo slogan machine cancel (Bomar P99-09), and two different 1899 Philadelphia expo souvenir post cards showing three building or street scenes, F.-V.F. and scarce trio.
Estimate; $200 - 300. Est. $200-300 (Image)

Est. $200-300

1909 Hudson Fulton Collection. Official Hudson-Fulton Celebration complete mint set of 72 post cards cards by Redfield, all multicolor designs; some small flaws and wear, F.-V.F., a difficult set to complete.
Estimate; $200 - 300. Est. $200-300 (Image)

Est. $200-300

1904 St. Louis Expo Group. Of three covers, 13 cards and a used set of stamps; covers including 10¢ + 2¢ Louisiana issue both with bottom margin imprint at bottom on registered cover; range of cards */o including official cards and other with fair postmarks, one glitter card.
Estimate; $200 - 300. Est. $200-300

Est. $200-300

1909 Hudson Fulton Collection. Collection with approx. 200 post cards plus two tickets, and a stereoptican slide, the mint and used post cards include: four real photo post cards, Official Hudson-Fulton Celebration set with over 100 incl. over 60 different out of the set of 72 by Redfield; Manhattan Series set of 16 Post Cards by Churchman Co. with original patented mailing envelope, 6 multicolor Tuck & Sons series 164, 8 post cards by Valentine & Sons including one used with scarce large Hudson-Fulton Celebration label, F.-V.F., a scarce collection.
Estimate; $300 - 400. Est. $300-400 (Image)

Est. $300-400

San Diego (Exposition Sta.) Cal., Jul. 26, 1915, Registered. Beautifully struck violet double circle postmark (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, ex-Mader.
Estimate; $1,000 - 1,500.

This is the uniquely listed on cover example of this exposition postmark with two other strikes noted on facing slips. This cover realized $3,750 hammer in our 2009 Westpex sale. Est. $1,000-1,500 (Image)

Est. $1,000-1,500

San Diego Panama-California International Exposition Balance, 1915-16. Of 26 covers and cards and some ephemera; highlight by four cover bearing various Exposition label used from the exposition, one is an official cover with illustrated corner card and allover Exposition design and enclosure, official business cover with "Government Exhibit Board, Panama-California International Exposition, San Diego, 1916" corner card, nice run of additional covers and cards with first type duplex postmark including incoming usages and official post cards, some slogan machines and unused Exposition labels, Very Fine overall.
Estimate; $400 - 600. Est. $400-600 (Image)

Est. $400-600

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; $300 - 400. Est. $300-400 (Image)

Est. $300-400

San Diego, Cal., Exposition Sta. 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; $300 - 400. Est. $300-400 (Image)

Est. $300-400

San Diego, Cal., May 21, 1915, Exposition Sta. 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. Est. $200-300 (Image)

Est. $200-300

San Diego (Exposition Sta.) Cal., Apr 21, 1916, Registered. Violet double circle postmark (Bomar SD16-02) on reverse on incoming registered cover from Barcelona, Spain to San Francisco, Cal. forwarded to "Panama Canal Int. Exposition, Spanish Section, San Diego, Cal."; few cover tears at top, Very Fine, a newly discovered example of this rare exposition postmark used during the 1916 extension period, with only one other on cover example recorded.
Estimate; $500 - 750. Est. $500-750 (Image)

Est. $500-750