1937 MAIL WATFORD TO JAPAN RETURNED TO SENDER. A good 'Ham' radio operator's post card from Watford to Tokyo, Japan with KGV 1d photogravure (SG440) cancelled WATFORD/HERTS 12 MAR 1937. On reverse details of transmissions heard. On front two strikes 'Rfuse' hand stamp and also 'RETOUR' hand stamp with TOKIO/NIPPON receiver 10.4.37. Returned to sender with surcharge and 1d postage due cancelled WATFORD 10 MY 37. Unusual. (Ref 104996).