Description
1937 UNDELIVERED REGISTERED MAIL SWEDEN TO LONDON. Envelope sent registered mail Stockholm to London with Swedish 10 ore x 2 and 30 ore cancelld STOCKHOLM 1 4 37, undelivered with instructional 'Insufficiently Addressed/E.C.3' hand stamp and re-addressed to Sweden. On reverse REGISTERED/RTD. LTR. SECTION oval date stamps 3 APR 37. Unusual. (Ref 106244).