COLOSSUS NO 130 THE STINKER

l can remember 157a as being SETTER, and l think 201d may well be OPCW,something to do with the disarmament and chemical weapons,not sure if its rights, l have already sealed up my envelope ready for posting, if incorrect may be some one more wiser than l can help :->

157a SETTER
201 OECD (Organization for Economic Co-operation and Development .

Good Luck

thank you very much maizey