The May 21-23 Flagship series sale from Daniel F. Kelleher Auctions opens with Great Britain, British Commonwealth and worldwide stamps and covers.

The Rapp auction firm in eastern Switzerland has scheduled a public auction on May 22 offering Swiss, European and Chinese stamps and postal history.

The public auction series offering material from the William H. Gross collection of the United States continues with a sale specifically devoted to stamp multiples.

The two-day sale in New York City will offer 1,642 lots of worldwide stamps, postal history, large lots and collections.

At least four different collections contributed items to this 600-lot sale advertised as gem-quality United States stamps.

The auction features 137 lots ranging from stamps and postal history of the 1881-85 first period printings into the telegraphic period of 1917-30.

Schuyler J. Rumsey Philatelic Auctions of San Francisco, Calif., has prepared three auction catalogs for an upcoming sale series in association with the Westpex stamp show and exhibition.

The vast majority of Classicphil's auction material consists of worldwide stamps in singles and multiples, though an occasional proof appears and is so described among the listings.

The auction scheduled for April 4-6 in Costa Mesa, Calif., includes United States, British Commonwealth and worldwide stamps, covers, collections and accumulations.

The March 29-30 auction from the Swedish firm Postiljonen consists of a general sale that features stamps and postal history of Scandinavia and worldwide, and a specialized catalog for part 6 of the Gummesson grand prix d’honneur collection of Finland.

The auctions series will take place March 26-30 at the firm’s galleries in Wiesbaden, Germany.

The auction will take place March 28-29, with the encased postage stamps offered during the auction’s Friday session.

Most of the classic Great Britain stamps offered in the March 19 auction were originally bought in the respective auctions of the Sir Gawaine Baillie collection in 2005 and the William H. Gross collection in 2007.

An upcoming Robert A. Siegel auction of United States stamps includes a rare 1883 American Bank Note Co. special printing.

The popular rarity example in the upcoming auction is described by Kelleher and Rogers as “wonderfully fresh and nicely centered."

This 1935 cover that traveled on a solo Earhart flight from Mexico City is offered in the March 12-13 auction in New York City.

The upcoming sale taking place Feb. 18-22 includes specialized China, Asia and Spain, plus extensive Germany, Europe and worldwide offerings.

The auctions will take place over two days offering German World War II Occupation issues, Great Britain and Western Ukraine.

The oldest family owned and operated stamp auction house in the United States looks for innovations that will strengthen the business while also serving its customer base.

Known as the Martinsyde cover (for the aircraft that carried it aloft), it is franked with two examples of the 2¢ carmine red Caribou stamp.