Erudite collection from pre-stamp period through to mid-20th century, the main section written-up in three binders with focus on postal history, particularly the 19th century, having an interesting range of stampless covers (50+) incl. four with Bishop marks incl. one with two types together (day above, month below - and vice-versa), then Mulready items (3) with 1d envelope neatly cancelled by red MX and backstamped with superb Castlepollard straight-line, also an unused 2d letter-sheet with faults, then line-engraved presentation incl. twenty penny blacks by plate with at least a dozen with four margins, accompanied by black-plate 1d reds on- and off-cover, etc. Also the collector's working material in a box-file and tin with about 200 further 19th century covers, mainly line-engraved, among which we note 1d Board of Education on Geological Survey printed OHMS cover (the stamp slightly nicked before postmark applied) and other decent 20th century items, please inspect.