1922 UNDERPAID MAIL MALTA TO LONDON. Post card (some creasing) from Malta to Muswell Hill London with Malta 1d "SELF-GOVERNMENT" cancelled SLIENA/MALTA 4 MR 22, postage underpaid with UK "1½D/F.B" charge mark and UK ½d and 1d postage dues cancelled MUSWELL.HILL 9 MR 22. (Ref 112622).
