Lot 42581 – 1874-1945, Specialised mint & used collection in three

1874-1945, Specialised mint & used collection in three albums showing a study on the various perforations on the first issues, also some multiples and covers, various items with certificates, 1894 issue also well furnished including imperforate pairs, also multiples including complete sheets, overprint varieties, interesting frankings, etc., see also web for a complete set of scans, gen. very fine