• Viennafil Auktionen Worldwide Mail Auction: Italy, Austria, Germany, Europe and Overseas - November 30-2, 2021 (Classic View by Lot Number)
• abacus auctions Australian & Worldwide Stamps, Postal History & Picture Postcards - December 1-4, 2021 (Classic View by Lot Number)
• Cavendish Philatelic Auctions Ltd. Great Britain and Worldwide Stamps and Postal History Public Auction - December 1-2, 2021 (Classic View by Lot Number)
• Oldlouis Auctions Rare Stamps & Postal History of Russia, Germany, US Locals, China, Ukraine, Poland, and World - December 3-23, 2021 (Classic View by Lot Number)
• Daniel F. Kelleher Auctions, LLC Collections, Stocks and Accumulations of the World - December 3-4, 2021
• Württembergisches Auktionshaus Joachim Erhardt Gmb Worldwide Public Auction - December 3-4, 2021 (Classic View by Lot Number)
• Sandafayre Ltd. Public Auction - December 4, 2021 (Classic View by Lot Number)
• Modern Stamps, Inc. Public Auction #497 - No Buyer's Fee - December 4, 2021 (Classic View by Lot Number)
• House of Zion Public Auction - December 5, 2021 (Classic View by Lot Number)
• Cherrystone Auctions Rare Stamps and Postal History of the World - December 7-8, 2021 (Classic View by Lot Number)
• Mowbray Collectables Postal Stamp Auction - December 7, 2021 (Classic View by Lot Number)
• Corbitts Public auction - December 8, 2021 (Classic View by Lot Number)
• Schuyler J. Rumsey Philatelic Auctions The December Sale - December 8-9, 2021 (Classic View by Lot Number)
• Spink London The 'Lionheart' Collection of Great Britain and British Empire - Part XV - December 8, 2021 (Classic View by Lot Number)
• classicphil GmbH Just Stamps Public Auction - December 10, 2021 (Classic View by Lot Number)
• Schuyler J. Rumsey Philatelic Auctions Gems of Philately - December 10, 2021 (Classic View by Lot Number)
• David Feldman SA Worldwide Public Auction - December 13-15, 2021 (Classic View by Lot Number)
• H.R. Harmer GPN, Inc. H.R. Harmer’s December 2021 Sales: United States Stamps Featuring The "Nelson" Collection - December 14, 2021 (Classic View by Lot Number)
• H.R. Harmer GPN, Inc. H.R. Harmer’s December 2021 Sales: The Dr. Larry C. Parks Collection of United States Postal Stationery - December 14, 2021 (Classic View by Lot Number)
• Kelleher and Rogers Limited The 2021 Fall General Sale - December 14, 2021
• Kelleher and Rogers Limited The Customs Mail Matter Handstamps of China, 1883-1897 - December 15, 2021
• Kelleher and Rogers Limited The I.P.O. Tie-prints, 1899-1904 - December 15, 2021
• H.R. Harmer GPN, Inc. H.R. Harmer’s December 2021 Sales: United States and Worldwide Stamps, Covers, and Collections - December 15, 2021 (Classic View by Lot Number)
• David Feldman SA Great Britain & British Empire Public Auction - December 16, 2021 (Classic View by Lot Number)
• Dutch Country Auctions/The Stamp Center Coin & Currency Auction #20 - December 16, 2021 (Classic View by Lot Number)
• Kelleher and Rogers Limited Stamps of the People's Republic of China - December 16, 2021
• AuctionGallery AG Worldwide Auction - December 17, 2021 (Classic View by Lot Number)
• Soler y Llach Stamps and Covers of the World Public Auction - December 21, 2021 (Classic View by Lot Number)