Chemistry
1967 British Discoveries, Wessex FDC, Penicillin Sir Alexander Fleming WC2 H/SWas: £15.00 Now: £13.50 ![]() |
|||
1977 Chemistry Shell Chemicals UK Ltd Special FDC, Philatelic Bureau Edinburgh H/SWas: £12.00 Now: £10.80 ![]() |
|||
1977 Chemistry, Benham Woodcut FDC, Royal Institute of Chemistry London WC H/SWas: £15.00 Now: £13.50 ![]() |
|||
1977 Chemistry, Cleveland Potash Limited FDC, 13p salt stamp only, Cleveland FDIWas: £35.00 Now: £31.50 ![]() |
|||