(Boston) Bo Sh 6:16. Manuscript postmark and rate (BPM 56-58) on 1767 folded letter to Newport, R.I., per Capt Humle endorsement, letter regarding the insurance of the Brig Royal Charloette for an Africa slave trade voyage…African Adventures being much out of favour with our Insurers; light toning along file fold, otherwise Very Fine. Estimate  $300 - 400. $0 (Image)