GB QV SG213 K28 (-var) 1/2d Pale Dull Blue-Green Unmounted Mint Hendon Cert Rare

Fine Unmounted Mint example of this colour variant Pale Dull Blue-Green as listed by Hendon. Lovely colour. Comes with a 2017 Hendon Certificate, was part of a pair (right hand stamp). A difficult stamp to find these days. No faults. A fine addition to your collection.