Bidspirit auction | Pre-philately. Letter sent from Viana

Pre-philately. Letter sent from Viana do Minho on 10.10.1841, word mark VCT 6 (R5) and postage 20 reis, to Valença. On the back it shows the rare precursor dated Viana do Minho (known from June 1841 to March 18429 (R8). See: L. Frazão. A Precursor dated Viana do Minho, A Filatelia Portuguesa Nº94. MB and MR.