According to Classic Lightweights, Stallard, Baines, Carlton, Saxon, Gillott prior to 1951, and, Viking pre end 1960 had the frame number on the rear dropout like that. The wrapover seatstay suggests it might be a Carlton.
Some photos in the OP might help the sale...
@TeeTee started
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According to Classic Lightweights, Stallard, Baines, Carlton, Saxon, Gillott prior to 1951,
and, Viking pre end 1960 had the frame number on the rear dropout like that. The wrapover seatstay suggests it might be a Carlton.
Some photos in the OP might help the sale...