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1971 MACHIN ‘POST OFFICE’ PHOSPHOR REMNAL ‘IMPERF’

Ref Nº : E65031

£875.00

1971 MACHIN ‘POST OFFICE’ PHOSPHOR REMNAL ‘IMPERF’ TESTING TRIALS 1½p, 2d, 2½d endorsed ‘Abet’ (Acetone,, Butanol, Ethyl, Acetate, Trichloroethylene, being the chemicals applied). (Ex. Norman Potter Archive with photostat of this report)

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