1922 UNDERPAID MAIL GIESSEN (GERMANY) TO LONDON. Post card (creased) Giessen to Kensington with German 3 Rm cancelled GIESSEN 24 8 22, postage underpaid with "1½d/F.B." charge mark and ½d postage due x 3 cancelled WEST KENSINGTON cds's 28 AU 22. (Ref 105231).