Los 623
1863, 24 c. pale green with wing margin at right, 12 c. pale blue and 4 c. slate with wing margin at right, tied by "B62" to folded cover with firm cachet "Jenny & Co. MANILA" and postmark "HONG-KONG OC.25.67" on flap to Langenau, Switzerland with arrival mark, red crayon "1/8", red handstamp "P.P. and "P.D." on front, fine, a scarce treaty port cover
