pilkinton have a website with all the pattern glass,have look and see if yours is on there and write the name of glass down,then ring a few glaziers and get a peice ordered,if its not on there you prob wont be able to get it unless a glazier has some old stock but you will need name of glass for them to match up.hope this helps
shaun www.sdwupvcrepair.co.uk, July 2008