Mossgreen website became inaccessible as the mid-January reports about the firm were published.

Two highlights include the largest known multiple of the 1844 60-reis stamp on cover.

Interasia Auctions conducted a sale Dec. 4-7 containing several named collections, with dozens of lots bringing the equivalent of $50,000 or higher.

Also sold was this piece of Tibetan philately, a registered cover bearing a 1912 2/30-trangka carmine stamp with the “POTSAGE” error.

Cherrystone Philatelic Auctioneers in New York City will offer United States and worldwide stamps and postal history in four auction sessions, Feb. 6-7.

Also this week, another high-demand Columbus stamp was featured.

The Jan. 21 Spink China auction in Hong Kong will include a complete sheet of China's 1882 1-candareen stamp with wide setting.

Daniel F. Kelleher Auctions presented its Flagship sale Dec. 11-13 in Danbury, Conn.

The Spink auction firm in London, England, will offer two sales over the course of three days, Jan. 23-25.