Among the 549 lots to be offered are some of the rarest U.S. stamps in existence.

The main catalog for this sale includes an extensive selection of material from Germany.

A total of 544 lots will be up for bids during Spink’s sale of the Blanic collection of Nyasaland and Rhodesia.

Among the countries featured in the sale are Austria, France and colonies, Germany, Italy and colonies, Poland, Russia and Great Britain.

Specialized collections of surcharged postal stationery, precanceled postal cards and star cancels offer many dozens of intriguing lots for the collector to peruse.

This invert stamp is from the impressive collection of American businessman Gerald Forsythe, who purchased the error stamp for $576,000 at a 2014 Spink USA sale.

Numerous unusual varieties are found in this sale, both in the worldwide material and among the U.S. offerings.

The extensive Scandinavian offerings open with early Danish postal history and classic Danish stamps.

The renowned collections of Johann Strauss and Leo A. Malz are featured in the sale.

In its single-day sale, Grosvenor will offer attractive stamps and covers to suit a variety of budgets. Numerous collections will also be up for bids.

The first session features the Legend of the Dragon collection of Imperial China stamps and postal history.

The Jenny Invert stamp in this sale is from the collection of American businessman Gerald Forsythe, who bought the stamp for $576,000 in a 2014 Spink USA auction.

There are also many less expensive stamps among the more than 1,100 lots that will be up for bids during the auction.

More than 1,300 lots of United States errors, freaks and oddities will be up for bids.

Among the standout items in the Feb. 16 session is an attractive 1860 90¢ black George Washington trial color large die proof on India paper.

Among the U.S. stamp choices are some prominent American classics.

The 832 lots of the James P. Myerson collection of superb U.S. stamps will be offered in four sessions during the two-day Siegel auction.

With such an expansive variety of items available, bidders are sure to find something of interest to add to their collections.

The three auctions present collectors with opportunities to acquire interesting Great Britain and British Empire items.

More than 2,200 lots of United States and worldwide stamps and collections will be up for bids during the three-day sale.