Lot 80700 – 1800-1900s 100+ pages of British India cancellation study comprising of forwarding agent marks, private company security marks and handstamps…

1800-1900s 100+ pages of British India cancellation study comprising of forwarding agent marks, private company security marks and handstamps, foreign export post, newspaper press cancels, sorting PO marks, parcel post marks, unpaid postage due marks, advertising postal cards, Type 16 cancels, routes and cancels, experimental PO cancels, Indian states postal card ovpt for general use, night flight marks, bank perfin marks, all very fine for the researcher.