Atlas Model Railroad Co.
Atlas Master(TM) Standard Cupola Caboose

Undecorated
Walthers Part # 150-1300
HO scale, $19.95, not currently in stock at Walthers, Expected: Unknown

 
International Standard-Cupola Cabooses are notable for having a cupola that is flush with the car sides (versus the Wide-Vision caboose which has an overhanging cupola). The Atlas models feature finely molded handrails, smokejacks with see-through deflectors and appropriate caboose trucks.