Lot 61335 – 1861 Woodblock 4d pale milky blue with “retouch or repair” variety to right hand corner, used

1861 Woodblock 4d pale milky blue with “retouch or repair” variety to right hand corner, clear to good margins, smudged cancel clear of the variety, small crease left side corner, not mentioned on cert., very rare, thought to be scarcer than the corresponding error of colour variety; cert. RPS (2021) (S.G. £9’000).