Material from a celebrated collection of U.S. postal history will be offered by Schuyler Rumsey Philatelic Auctions during its April 26-29 auction.

Robert A. Siegel Auction Galleries will auction Bernard Faust’s extensive and specialized collection of U.S. 1863-68 Black Jack issues.

Robert A. Siegel Auction Galleries will offer United States postage stamps, revenue stamps, U.S. possessions and more in its March 27-28 auction.

Auctioned for the first time in 90 years was the unique 4-koruna Austria Coat of Arms on granite paper with inverted black overprint.

Robert A. Siegel Auction Galleries sold the J.R. Helton Jr. collection of used U.S. stamps, offering many used gems including back-of-the-book material.

The sale offered items from a half dozen collections, featuring many superb United States stamps, blocks and multiples.

Many top United States rarities are offered in the Siegel auction of items from the collection of David Wingate.

Christoph Gaertner will conduct three auction sessions April 7 to offer international rarities, specialized Oldenburg and specialized Togo.

The Cherrystone lot description relates that the stamp was prepared in Constantinople for a planned flight from Bucharest to Paris.

The David Feldman auction firm in Switzerland has scheduled two auctions of classic material and collections for March 21 and 22.

Also of interest is a scarce 1867 essay by National Bank Note Co. (Scott 79-E19c) of the frame and lettering elements of the then-current 3¢ Washington.

The highlight of the Manhattan collection was one of only two covers known bearing a Hami provisional airmail stamp.

Rasdale Stamp Co. in Westmont, Ill., offered an attractive showing of stamps from the 1901 Pan-American Exposition issue in the firm’s Feb. 17-18 sale.

A rare philatelic hat trick will be offered by Robert A. Siegel International March 13 when it presents the Calgary collection of Canada.

The Swedish firm celebrates its 50th anniversary with a special anniversary auction of Scandinavian and worldwide material March 15-17.

Robert A. Siegel Auction Galleries has scheduled a series of three auctions in two days offering classic United States stamps and early U.S. flight mail.

In a series of four sales beginning in late September, Siegel Auction Galleries will offer the William H. Gross collection of U.S. stamp treasures.

The Friday session offers more than 400 lots of U.S. airmail and other back-of-the-book, revenue stamps, possessions and more.

The error stamp is tied to the piece with a Budapest 85 circular datestamp dated either Jan. 21 or Jan. 27, 1925.

The Grant Inman collection of private die medicine stamps offered nearly all the great rarities of the U.S. medicine stamps.