I know I'm a day late, and a dollar short, but in honor of Flash Blackman's 3985th post, I present UP 3985: Laramie, WY: East of Dale Jct, WY:
From the Tony Madieros collection, the last SD50 delivered to D&RGW, this time in speed lettered Espee paint: From http://ncespee.railfan.net/