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.

An unused 1897 10¢-on-9-candareen dark green Dragons and Shou stamp from China's Empress Dowager issue hits new territory in Hong Kong auction.

An extraordinary stamp rarity of 19th-century imperial China will be offered during the Jan. 18-20 auction series by Spink China in Hong Kong.

Harmer-Schau Auction Galleries of Petaluma, Calif., will conduct a public auction in three sessions Jan. 11-13.

The Dec. 12 Robert A. Siegel auction of the Richard Drews collection of United States 1861-68 issues offered many important stamps, essays and proofs of that turbulent era, including one of the top U.S. stamp rarities.

Cherrystone Philatelic Auctioneers has scheduled its next public auction for Jan. 8-9, 2019, at its New York City galleries.

Sale opens Dec. 18 with Great Britain and British Commonwealth, Europe and colonies, plus Asia, Africa, Latin America and worldwide airmail postal history.

The San Francisco firm plans two auctions featuring U.S. and worldwide rarities, along with general foreign stamps and postal history.

Unissued Chinese rarities are among the many stamps and postal history items that will be offered during InterAsia's Dec. 10-12 auction series.

Robert A. Siegel Auction Galleries will present the Richard Drews collection of United States 1861-68 issues in a public auction to be conducted Dec. 12.

Cherrystone Philatelic Auctioneers will present its next auction of United States and worldwide stamps, postal history and collections Dec. 4-5.

The Dec. 3-7 auction offers a wide range of material including single-item lots, multiples, large lots and collections.

The Nov. 26-Dec. 1 Corinphila auction in Zurich, Switzerland, is offering a prominent rarity of New Zealand.

The upcoming sale in New York City also includes Confederate States, Hawaii stamps and postal history, other U.S. back-of-the-book material.

Assembled over a period of more than 70 years by an anonymous collector, the Hermione Collection of France will be auctioned Nov. 21-22.

A top rarity offered is a mint example of the 1865 Vancouver Island 5¢ rose imperforate Queen Victoria stamp with Crown CC watermark.