THE LAST TYCOON
Special thanks to Luís Álvaro for letting me know about this one: Amsel's artwork for Elia Kazan's film of THE LAST TYCOON, starring Robert DeNiro.
I've wondered for years if this art was indeed Amsel's -- and now I've confirmed that it is. The original art is now on sale through Profiles in History's Auction House. You can see their eBay listing here.
I personally prefer Amsel's alternate design, which wasn't used until Intrada Music's reissue of the film's soundtrack: