Excellent news!
Re handing in found items. As HH points out, in general the police aren't interested any more. Even if you did try to hand something in, your problem in many areas would be to find a police station with a front desk open for public enquiries. There are now only four such stations in Cornwall to cover the whole county, meaning for some people a 50 mile round trip. The myth of the local cop shop is perpetuated by TV police dramas where there is always a local station, with a desk manned by a friendly sergeant (in fact replaced by a civvie decades ago).
Anyway, I can see I'm off on a JetBlast rant, so I'll just repeat - glad this gentleman and his medals have been reunited.