1951 Studebaker 2R6 stepvan, restored by the guy who indeed, wrote the book, on professional Studebaker vehicles

a collector and restorer of Studebakers, Dr. Hamlin is also the historian who wrote “Studebaker Professional Cars,” a 316-page book with more than 300 photos of Studebaker-based hearses, ambulances, limousines and police cars

The Step-n-Serve was shipped to S.J. Meek’s & Sons Studebaker dealership in Rockville, Va., and sold on Nov. 5, 1951. It was used to deliver Tom’s Roasted Peanuts to stores and vending machines.

https://www.oldcarsweekly.com/a-studebaker-delivery-gets-a-lifeline