Bidspirit auction | Postal history.Pre-philately. 1831. Letter from
Postal history.Pre-philately. 1831. Letter from the Royal Service of King D. Miguel, sent from Ponte da Barca, on 12.2.1831, marked SEGURA PONTE DA BARCA PTB-S1 rar9 in red, for Sto Estevão da Facha. Very well beaten mark