Lot 38400 Proofs and specimen collection Netherlands and Colonies 1852-1945
American Stamp Dealer Association (USA). Bundesverband des Deutschen Briefmarkenhandels (DE). Nederlandse Vereniging van Postzegelhandelaren (NL). Indrecible collector accumulation of around 1600!!! Also hundreds of items of the Colonies including many of the William III issues, Surinam including the scarce 1945 ABN specimens to 10 guilders multiple, other good back of the book issues, in album. Around 1600 items, it took the collector decades to get this together, never offered so extensive anywhere in the world!