[davemac.439]

You might have something with the flag of St George, it would make a mess of the Union Flag! or not.

Google Images, St Edmund’s Flag.

https://www.google.co.uk/imghp?hl=en&tab=wi&q=St.%20Edmund%E2%80%99s%20flag

[davemac.439]

Sorry, ignore last link, use this one

https://www.google.co.uk/search?newwindow=1&safe=off&hl=en&site=imghp&tbm=isch&source=hp&q=St.+Edmund%E2%80%99s+flag&btnG=Search+by+image&biw=1136&bih=674&sei=ukmuUamXPOis0QWL5oCgDg