Bidspirit auction | Pre-philately. Letter written in Porto,

Pre-philately. Letter written in Porto, on 28/12/1841, to Valença do Minho, postage of 25 réis applied in Porto. On its way to Valença, it passed through Viana do Minho where the provisional dated mark 29. 12. in black was applied. This mark has a rarity of 8 and is only known to have been applied between June 1841 and March 1842.