Lot 51377 – 2 1/2d ultramarine, overprint in black, mint nh, mint

2 1/2d ultramarine, overprint in black, mint nh, mint and used specialised assembly neatly mounted and knowledgably written up on 8 album pages, showing singles, blocks of four, six, eight, and thirty, one gutter pair, array of shades, minor varieties etc., fresh, very fine, and a very scarce assembly for the students. (100+)