Annihilator
Emissary
Here is an good article on engraved Ruger revolvers, awesome looking guns. This is a reprint from 2004.
www.americanrifleman.org
An Official Journal Of The NRA | Artistry From the Red Barn: Ruger's Engraved Guns
In the world of Ruger collectors, these rare factory-engraved guns are some of the most collectible of all, and they tell a fascinating story of the early years at Sturm, Ruger & Co.