CHARLES/TOWN (S.C.). Two line handstamp on reverse of 1770 (Jun. 3) folded cover to London England endorsed "per the Swallow packt", manuscript "1N" rating, partial London "23/JU" Bishop mark on reverse, Very Fine, ex-Siskin & Mayer. Estimate  $500 - 750. The packet ship Swallow left Charleston on June 5 and arrived at Falmouth on July 21, rated 1 shilling for transatlantic packet postage. $0 (Image)

CHARLES/TOWN (S.C.). Bold two-line handstamp and matching "MA 4" Franklin mark on reverse of 1773 folded letter sheet addressed to "The Revnd Docr Hind, Secretary to the Venerable Society of the Propagation of the Gospel in Foreign Parts, London", "2N" rate and reverse with "10/JU" Bishop receiving mark; sealed cover nick at top and seal portion on reverse missing, Fine. Estimate  $500 - 750. $0 (Image)