i have found the answer to my own question via another "cafe" on the web
incase there are others like me with this problem
here is the solution kindly posted by "daniel lander"
Mark Leveridge, has a dedicated envelope-store on his site, http://www.markleveridge.co.uk/shopbask ... store.html
His Pay Envelope 3 - which he has specially made - is going to be the closest thing to a US number 4 1/2, or 5 coin envelope you'll find in the UK.
all you have to do, is snip the end of a tiny bit, the use the ruber cement in the normal way
i have just ordered a wallet and stack of envelopes, so i'll add another post here should i have any problems.......