1888, May, ONE/PENNY, on 2 1/2 d, ultramarine, type 7 surcharge
with MS line through original value, ERROR SURCHARGE INVERTED,
neatly
1888, May, ONE/PENNY, on 2 1/2 d, ultramarine, type 7 surcharge
with MS line through original value, ERROR SURCHARGE INVERTED,
neatly cancelled by full A12 numeral/Basseterre, only one sheet of
20 existed, from which mint and used samples are preserved in the
Royal Philatelic Collection, a great rarity of West Indian
philately, cert BPA/1993, XF-SUP! Estimate 14.000€.
