Stock

63288

1971 MACHIN ‘POST OFFICE’ PHOSHOR ‘IMPERF’ TESTING…

Ref Nº : E63288
Lot Nº : 724

£ 575

1971 MACHIN ‘POST OFFICE’ PHOSHOR ‘IMPERF’ TESTING TRIALS 2½p & 6p & endorsed ‘AB’ (Acetone, Butanol – being the chemicals applied to it). (Ex. ‘Norman Potter’ archive & with photostats of this report).

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