John, that is a serious group of medals and would attract attention anywhere if they came onto the regular medal market via a dealer or auction house. The publication
Medal News has a monthly section for listing stolen medals to alert collectors and the trade, which I think is a free service. If not already done it would be a very good move for Air Cdr Teakle to contact them. Here's a link
Coin, Banknote and Medal Collector’s Magazines. Token Publishing – Numismatic Interest