Gary Dunaier: 1967 Guyana First Day Cover showing the 1856 British Guiana Penny Magenta, the world's rarest stamp
Gary Dunaier: British Guiana 1¢ Magenta on display at Sotheby's, 06/07/14 (IMG_1026)
Gary Dunaier: British Guiana 1¢ Magenta on display at Sotheby's, 06/07/14 (IMG_1028)
Gary Dunaier: British Guiana 1¢ Magenta on display at Sotheby's, 06/07/14 - note the reflection of the back of the stamp in the display case (IMG_1030)
Gary Dunaier: British Guiana 1¢ Magenta on display at Sotheby's, 06/07/14 - this is the back of the stamp, with various owners' marks and stamps (IMG_1033)
Gary Dunaier: British Guiana 1¢ Magenta on display at Sotheby's, 06/07/14 (IMG_1035)
Gary Dunaier: British Guiana 1¢ Magenta on display at Sotheby's, 06/07/14 (IMG_1037)
Gary Dunaier: British Guiana 1¢ Magenta on display at Sotheby's, 06/07/14 - side view of the display (IMG_1038)
Gary Dunaier: British Guiana 1¢ Magenta on display at Sotheby's, 06/07/14 (IMG_1039)
Gary Dunaier: British Guiana 1¢ Magenta on display at Sotheby's, 06/07/14 - side view of the display (IMG_1040)
Gary Dunaier: British Guiana 1¢ Magenta on display at Sotheby's, 06/07/14 - this is the back of the stamp (IMG_1041)
Gary Dunaier: British Guiana 1¢ Magenta on display at Sotheby's, 06/07/14 (IMG_1044)
Gary Dunaier: British Guiana 1¢ Magenta on display at Sotheby's, 06/07/14 (IMG_1046)
Gary Dunaier: British Guiana 1¢ Magenta on display at Sotheby's, 06/07/14 - entrance to the exhibit (IMG_1048)
Gary Dunaier: British Guiana 1¢ Magenta on display at Sotheby's, 06/07/14 - entrance to the exhibit as seen from the elevator banks (IMG_1050)
Gary Dunaier: British Guiana 1¢ Magenta auction at Sotheby's, 06/17/14 - catalogues for tonight's auction, both hardcover and softcover editions, on display at the catalogue sales desk on the first floor (IMG_1224)
Gary Dunaier: British Guiana 1¢ Magenta auction at Sotheby's, 06/17/14 - posters promoting tonight's auction on display in the elevator (IMG_1228)
Gary Dunaier: British Guiana 1¢ Magenta auction at Sotheby's, 06/17/14 - posters promoting tonight's auction on display in the elevator (IMG_1232)
Gary Dunaier: British Guiana 1¢ Magenta auction at Sotheby's, 06/17/14 - a copy of the auction catalogue is displayed in the room where the auction will take place (IMG_1233)
Gary Dunaier: British Guiana 1¢ Magenta auction at Sotheby's, 06/17/14 - a cameraman makes sure to get a good zoom-lens close-up of the stamp in its display case (IMG_1239)
Gary Dunaier: British Guiana 1¢ Magenta auction at Sotheby's, 06/17/14 - Sotheby's vice chairman David Redden displays the stamp for the media (IMG_1244)
Gary Dunaier: British Guiana 1¢ Magenta auction at Sotheby's, 06/17/14 - after displaying the stamp for the media, Sotheby's vice chairman David Redden returns it to its secured display case (IMG_1248)
Gary Dunaier: British Guiana 1¢ Magenta auction at Sotheby's, 06/17/14 - angled view of the stamp (IMG_1249)
Gary Dunaier: British Guiana 1¢ Magenta auction at Sotheby's, 06/17/14 - angled view of the stamp (IMG_1250)
Gary Dunaier: British Guiana 1¢ Magenta auction at Sotheby's, 06/17/14 - view of the back of the stamp and the room where the auction will take place (IMG_1253)
Gary Dunaier: British Guiana 1¢ Magenta auction at Sotheby's, 06/17/14 - in about 30 minutes, this will be the most valuable object in the world by weight (IMG_1258)
Gary Dunaier: British Guiana 1¢ Magenta auction at Sotheby's, 06/17/14 - Sotheby's vice chairman David Redden will be the auctioneer for this historic event (IMG_1281)
Gary Dunaier: British Guiana 1¢ Magenta auction at Sotheby's, 06/17/14 - the auction has begun, opening bid $4,500,000 (IMG_1290a)
Gary Dunaier: British Guiana 1¢ Magenta auction at Sotheby's, 06/17/14 - the historic moment where the stamp is officially declared "Sold!" at a hammer price of $7,900,000 (final price $9,480,000 including buyer's premium) (IMG_1293a)
Gary Dunaier: British Guiana 1¢ Magenta auction at Sotheby's, 06/17/14 - 11 seconds after the hammer fell, a look at the telephone sales representatives on the right side of the room - the winning bidder was participating by telephone (IMG_1294)