Vallot AuctioneersProvidence, RI Bertolami Fine Art s.r.l.Rome, RM AntikBar Original Vintage PostersLondon, UK Cordier AuctionsHarrisburg, PA KUNSTAUKTIONSHAUS SCHLOSS AHLDENAhlden(Aller), Niedersachsen Antique Arena Inc.Brooklyn, NY Auctions at ShowplaceAstoria, NY KUNSTAUKTIONSHAUS SCHLOSS AHLDENAhlden(Aller), Niedersachsen KUNSTAUKTIONSHAUS SCHLOSS AHLDENAhlden(Aller), Niedersachsen NY Elizabeth Beverly Hills, CA Gemini Auction CompanyKatonah, NY Templum Fine Art AuctionsBarcelona , ES Matthew Bullock AuctioneersOttawa, IL DejaVu Estate Sales & Auctions, LLCWest Palm Beach, FL Vintage Art Finder GalleryTbilisi, GA Cordier AuctionsHarrisburg, PA Canada Book AuctionsOntario, ON Gordon Fine Art Gallery LLCFanwood, NJ Hartzell's Auction Gallery, Inc.Bangor, PA Mohawk Arms Inc.Bouckville, NY Crescent City Auction GalleryNew Orleans, LA Chairish Auction HouseLewistown, MT