Shaw & Sons, printed in black inside letter sheet (stereo missing) with "POOR LAW" at top-left and the address panel with red printed "TO POSTMASTERS./Just Published and now in general use, a Book for the Entry of Money Post Office Orders issued, and Money Post Office Orders paid, strongly half-bound: ..." (continuing with quantities and prices listed), used from London to York dated 20 July 1841 and neatly cancelled by fine strike of the black Maltese Cross; small tear at upper-left but otherwise very fine. Most attractive and very rare. S.G. Spec. MA134ha. Photo