(!!!!) (Best Single) 807=ATS25 GEC England black oval plate ceramic base NOS 1940's inspected in 1953 (84ma) (1st version of ATS25)
(!!!!) 807=ATS25 GEC England black oval plate ceramic base NOS 1940's inspected in 1953 (67ma) (1st version of ATS25)
(!!!) (Good Value Single) 807=ATS25 GEC England ceramic base NOS 1940's (70.2ma)
(!!!) 807=ATS25 GEC England ceramic base NOS 1940's dark gray plate (64.5ma)