Heavy floor, online and phone bidder activity was apparent throughout the sale, with significant competition for the rarest stamps in the collection.

The firm will present a public auction of worldwide and United States material in four sessions.

Also up for sale are essays, proofs and specimens; back of the book including revenues and U.S. possessions; plus collections and accumulations.

The treasured European rarity sold for $1.73 million in the June 8 Heinrich Koehler auction of material from the Erivan Haub collection.

The Alexandria Blue Boy, a famous cover franked with a unique Alexandria, Va., postmaster’s provisional stamp and mailed in 1847, sold at auction in New York City for $1.18 million.

The auction is a single-owner sale of United States material dubbed the New Amsterdam collection.

Among the highlights of the sale are the Michael Lewis collection of Malta and the “Rothman” collection of Rhodesia postal history and cancellations.

The Christoph Gaertner firm in Germany will present a series of public auctions from June 24 through June 28, including German and worldwide stamps, postal history and collections.

The material offered in the June 25 public auction from Daniel F. Kelleher, advertised as the MLG collection, includes many United States first-day covers and pre-first-day covers (those postmarked prior to the announced issue date), plus flight covers, exposition covers and much more.

The Quad City Stamp Club (American Philatelic Society chapter 249) has sponsored the annual event for 43 years and raised close to $295,000 for the cancer fund.

Last auctioned in 1967, the unique Blue Alexandria postmaster’s provisional will be offered as part of the ongoing Erivan collection sale series.

The Swiss auction firm Corinphila has prepared a 10-volume auction catalog series for the sales of stamps and postal history taking place June 11-17 at its Zurich facility.

Much of the material on offer is from the lifelong collection of German-born billionaire businessman Erivan Haub, who died March 6, 2018, at his ranch in Wyoming.

The rarity is described as having balanced margins barely touching in a couple of spots, but with all type characteristics completely visible.

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.