Palestine 1922 2p olive, script watermark, type 8 overprint, error OVERPRINT INVERTED, SG81a.
A fine mint example with interpane margin at top and with original gum. Trivial rubbing at upper left and fractionally toned gum, but one of the finest examples you will find of this scarce error.
Very scarce as only one sheet existed with much fewer surviving and most with material condition flaws.
Accompanied with a clear British Philatelic Association certificate of authenticity (1998).
The Stanley Gibbons catalogue value is £325.
