(Newburyport) NP SH(ip). Manuscript postmark with "2 dwt" rate on folded letter datelined "Point Peater (Ga.?) 29th Aug 1768", to Marblehead, Mass. with "via Newbury, pr. capt." endorsement at lower left; some light aging, Very Fine, reported to be the unique Newburyport Ship postmark, ex Biales. Estimate  $1,000 - 1,500. $0 (Image)