BRITISH GUIANA 1856 SG24 Used digital-edition Very scarce in this positional

Very scarce in this positional form

only the 1¬Ωd value hinged

being one of only six or eight possible

A rare and desirable proving block

respectively type A (no rudder) and type B (with rudder)

BRITISH GUIANA 1856 SG24 Used digital-edition Very scarce in this positional1856 Typeset 4c black magenta, a spectacular cut square example with huge to enormous margins, sharp impression, sumptuous colour and near perfect surface, "CAW" initials of C. A. Watson, neatly cancelled by central "A 1 C" cds of Aurora and showing parts of (Demer)ara cds and another British cds, respectively at NW and SE corners. Pos. 1 from the vertical setting of four, as defined by Townsend. Unimportant tear and thin in wide right margin (far