Lot 50742 – 1920-21 Victory 6d black and brown-orange with variety SUBSTITUTED CROWN in wmk and inverted wmk

1920-21 Victory 6d black and brown-orange with variety SUBSTITUTED CROWN in wmk on top right corner stamp in mint nh upper right corner marginal block of 4, also with variety wmk inverted (visible in margins from face), right pair with vertical gum bend, still a wonderful and surely unique item, believed to be the first recorded instance of an inverted substituted crown from any country (SG £1’800+)