Over in the Diebold Constellation thread (https://www.antique-locks.com/showthread.php/3949-Diebold-Constellation) there is a discussion of a rare Herring & Marvin vault door. Here’s a door that seems to incorporate some of the same features. Is it another H&M or something else? This is the Hartford Society Room, 31 Pratt Street, Hartford, Connecticut. Note the replacement locks and time lock (another “Frankenvault”?).

What stands out, first, is the fancy treatment of part of the boltwork:

Those lyre-shaped ends also appear in the H&M though the center drive is different:

Additionally, both use a “wandering snail” pattern on the inner door surface:

(left is Hartford, right is the H&M).
I can easily imagine that these details might have persisted across some of the various incarnations of Herring and Hall and Marvin and Farrel simply because one manufacturing facility might have been in common.
Thoughts?