Bidspirit auction | Pre-philately. Letter from Alcântara (Lisbon)

Pre-philately. Letter from Alcântara (Lisbon) dated 5.11.1829, marked LISBOA LSB8, rar8, in red, mark used on official correspondence, to Viana do Minho, postage exempt. It is the 1st date recorded for the LSB8 mark, in red. Well-worn mark. R.