B&O President Daniel Willard was an avid golfer. He occasionally went to the Del Monte Hotel in Monterey to play area links. However he probably did not use his B&O office car for such a trip.
However, the Baltimore & New York office car appears on a SP siding between Monterey and Pacific Grove in the mid 1950s. Built from a Walthers 1950s kit, this office car was 'back-dated' as a B&O 900 series unit with truss rods, to represent an older car that had been modernized. It features full interior and underbody details, along with on-board powered markers and track inspection lights.
This scene is a diorama for the mantle piece over the fireplace. The photo backdrop is flipped from a UP magazine ad to represent Monterey Bay.