Lot 51559 – 1946-48 Douglas Plane over Ruins of Warsaw: Specialised

1946-48 Douglas Plane over Ruins of Warsaw: Specialised exhibition collection neatly written up on 70 pages plus a further duplication of covers and cards on 46 stockpages and 53 unmounted commercial covers, beginning with the issued set with much specialisation regarding paper, perforations (including imperf.) and shades showing the 21 print runs with their sheet identification, also grozsy overprinted set, followed by a great postal history presentation of covers addressed mostly to the USA and the UK, fascinating combination frankings including mixed franking with zloty and grozsy issues, many registered items, practically every cover presented on pages have their analysis of the applicable rate at the time, mostly very fine and a scarce specialised offering, see complete scans of the collection on the web