I'm putting a pic on for him here:
http://s1136.photobucket.com/albums/...t=S1050413.jpg
it says Hyscore on the box Graham!
Hi,
Note the instruction leaflet in the box with the pistols, where it says SP/G50? - Google & BBS Search, for Diana SP50.
You will find enough examples to get an idea of value etc. for the single weapons, not a great deal, but completely mint in different colours in a complete shooting set like your friend's will have a fair bit of a premium added.
I've no idea where HyScore & Diana get connected though, maybe a buy out?
& here's another one badged Phoenix for £15...
http://www.gunstar.co.uk/Air-Pistols...le-gs9115.aspx
Regards