1951 MAIL NEWMHAM ON SEVERN, GLOS LOCAL USAGE WITH 'DELAYED THROUGH FLU' CACHET. Envelope, 230 x 102 mm used locally Newnham Severn, Glos KGVI 1½d pale green (SG505) with 'NEWNHAM ON SEVERN' date stamp 3 FE 51? date stamp. In late 1950/early 1951 a significant flu epidemic spread throughout the U.K. believed to have started in Liverpool. (Ref 145486).