I have a couple 336's from the 60's with gold-plated triggers. You can still get a brand new 336 so equipped, also:

http://www.marlinfirearms.com/firearms/leverAction_centerfire/336W.htm

The gold trigger brings good luck, you know, so it greatly enhances its "user value". <img src="/ubbthreads/images/graemlins/smile.gif" alt="" />