Bidspirit auction | Castelo Branco – In blue,

Castelo Branco – In blue, LF CTB3 on an undated letter from Castelo Branco to Lisbon, with rate of 35 réis, stamped in blue, corresponding to a letter weighing up to 2 oitavas, for the 4th distance (30 to 40 leagues). Copy without damage or repairs, well preserved, with a well-strike mark. Catalogue value €600.00.