1861 (May 21) Boston Mass. to Hong Kong, China, blue folded letter from the Heard correspondence bearing 3¢ dull red (26), 12¢ black (36B) and 24¢ gray lilac (37), all tied by two strikes "Paid" circular grid cancels, partial "Boston Br. Pkt. May 21" exchange backstamp with red crayon "34" cent credit rating, carried by Cunard Line Africa from New York May 22nd to Queenstown arriving Jun. 2nd, bold red "1" pence colonial credit rating, Hong Kong (7.22) arrival backstamp; slight address erosion, Very Fine. Estimate  $1,500 - 2,000. A SCARCE THREE-COLOR 1857 ISSUE FRANKING PREPAYING THE 39¢ BRITISH MAIL RATE VIA MARSEILLES. $0 (Image)