Fort Pickens, Fla./December 10, 1845. Military origin docketing (type I) on fresh folded letter to Houlton, Me., officially entered the mails with "Pensacola, Flor., Dec 13" cds and manuscript "10" rate, Very Fine, the only known manuscript 'postmark' from Fort Pickens. Estimate  $750 - 1,000. $0 (Image)