1 ga, stainless steel & brass construction, museum quality, ltd edition, 1:32 scale, w/controller and base and case, (BOX NEVER OPENED) by Samhongsa for Fine Art Models, more information at [obscured]. This may be Fine Art Models finest accomplishment in model trains. I also have other new cranes  with Hand leaded glass cases and solid black Walnut bases for this model if you so desire.
I'm in possession of several Fine Art Models for sale. trains ,ships, military, passenger cars (both NYC and Penn) and cranes. all new. Also displayed items and parts in some cases. Thank you for looking.