1900 1D LILAC 'I.R. OFFICIAL' (SG03) ON COVER CAMBRIDGE TO CHATTERIS. Large envelope (223x108) "ON HER MAJESTY'S SERVICE" Cambridge to 'Collector of Taxes Chatteris' with 1d Lilac overprinted I.R.OFFICIAL (SG03) cancelled CAMBRIDGE date stamp AP 2 00. (Ref 94480).