Bidspirit auction | Pre-philately. Letter sent from Mortágua

Pre-philately. Letter sent from Mortágua on 20/03/1830. MORTAGOA MTR1 mark, Rarity 6. Illustrated, page 95 in the book “addendum to volumes 1 and 2 of Portuguese pre-philately”. Handwritten postage of 35 réis. Sent to Lisbon. MB