I found this in the 'Herts & Essex Observer' dated 9th December 1966:
“KENVILLE JACKSON Give Electrical Gifts this Christmas for lasting pleasure! TAPE RECORDERS plus the best of TV SETS BY GRUNDIG, DECCA, FERRANTI, R.G.D.; RECORDS from 12/11. RECORDS (children's) 12/6, 7/3; RECORDS, RECORD PLAYERS, RADIOS, RADIOGRAMS - CALL IN OUR SHOWROOM AND SEE THEM - 1 Stortford Road, Dunmow. Telephone 2405.”
“KENVILLE JACKSON Give Electrical Gifts this Christmas for lasting pleasure! TAPE RECORDERS plus the best of TV SETS BY GRUNDIG, DECCA, FERRANTI, R.G.D.; RECORDS from 12/11. RECORDS (children's) 12/6, 7/3; RECORDS, RECORD PLAYERS, RADIOS, RADIOGRAMS - CALL IN OUR SHOWROOM AND SEE THEM - 1 Stortford Road, Dunmow. Telephone 2405.”