Lynnfield, Mass./Apr. 19. Red straight line in large circular postmark on 1842 folded letter to Boston, matching straight line Paid and manuscript "6" rate, cover turned and sent back to Lynnfield with red Boston cds and manuscript "6" rate, Very Fine, a very unusual balloon type postmark which is the listing example in ASCC. Estimate  $75 - 100. $0 (Image)