I found this series of AC&F builders photos of "Japauldon" that was built in October, 1926. The Woolworth family had it built evidently, although the photos are labeled Donahue Private. I thought the name sounded familiar.
https://www.flickr.com/photos/barrigerlibrary/22913618379/in/dateposted/Follow the link and use the "return to photostream" feature to see the other photos of the car.