I have used these people for many years - they are totally reliable, and I am sure that in the circumstances they would put his medals to the top of the queue and get them back to him Special Delivery
https://www.worcmedals.com/Naval-GSM...Gulf-1909-1914
Incidentally you mention the fact that they are currently swing mounted, which is quite correct for medals of this period. I often see older groups which have been remounted court style and to me it just looks wrong, so I hope that doesn't happen to these, whoever does them