Auction of Great Britain Postage Stamps and Postal History

Queen Elizabeth II: Decimal Machins: 1p. to 50p. collection of unmounted mint dot cylinder blocks of six or larger (19) written up on leaves, all with the 17 pin perforation error, incl. scarce 13p. cylinder 7 p18 block of sixteen with the error at row 14, very scarce 201/2p. block of ten with the error at row 16, also a top left corner block of four with the error in the top margin, 26p. PCP and 50p. blocks of eight, each with the error at row 17, also 26p used single with 17 perf. holes at left, etc., with normal cylinder blocks for comparison.
[Proposed price: £500-600]
VAT 20%