1953 Trieste A, stamp of the series Italy at Work No. 92/I Lire 5 Grey, in vertical pair with inter-space, overprinted on the inter-space “NATALE TRIESTINO 1953” with fir branch and lighted candle. 1 new pair, perfect, mint never hinged. Sassone catalogue, Natale Triestino n. N.T. 92, Euro 120.00.