Auction 250-253 September 2021
Lot 189
Opening: 240 €
Unsold
SG 121-123
5
1966 Unesco 2½ c. - 15c. imperforate proof singles mounted on individual Harrison and Sons presentation cards, the 15c. card toned on reverse, this being the only set known in private hands (Van der Molen p. 309). Provenance: Talbot Cox