here goes Rob,it is a Leupold & Stevens ultra 20X-MIA Premier reticule boosted to 40x
S/N 871424 WRITTEN ON UNDER SCOPE. part no:41133 & SERIAL NO.87-1033 ON BOX
side wheel parralax down to 10 yards to over 60 yards. 30mm tube 40mm objective lens.
price new N/A,second hand price, £***