The milk carton for quilts is online at Lost Quilt Come Home where anyone who has lost a quilt can upload a photograph of it with a description.
In 2005, the Chester Cathedral lost their Mystery Play Quilt that was on permanent display at the visitor’s entrance. A couple of months later it was found by police doing a search of a home on an unrelated matter who recognized it. Go here to view the entire Mystery Play quilt, since only a small section is shown above. Go here to read the BBC article about its return.