Description
1929 REGISTERED INSURED MAIL LONDON TO PRAGUE WITH 5S SEAHORSE (SG416). KGV 4½d carmine registered envelope, small part trimmed at right, sent registered insured mail from London to Prague with fine 5s rose-red Bradbury Wilkinson Seahorse (SG416), ½d green (SG418) and 10d turquoise-blue (SG428) tied good strikes 'REGISTERED/LONDON CHIEF OFFICE' oval date stamps 4 DEC 29. Very scarce usage. (Ref 139688).