1862, 2 d., blue, imperf proof on surfaced paper without wmk, with
manuscript SPECIMEN, ex De La Rue archive, see also page 5062 THE
DE LA RUE COLLECTION (Walton), the pictured stamp is in darker
unissued colour, maybe the unique proof in the chosen colour in
perfect preservation, of philatelistic historical relevance and
importance, cert. Ceremuga, SUP!. Estimate 3.000€.