The stamp collector's guidebook of worldwide watermarks and perforations [Numbering system guide -- Watermark detecting -- Papermakers' watermarks -- Philatelic eatermark types -- Sudan watermark incident -- Confederate States watermark -- Watermarks in g
Book Details
ISBN / ASINB00EUUBCY4
ISBN-13978B00EUUBCY2
Sales Rank99,999,999
MarketplaceUnited States 🇺🇸
