1941-1955 Cadillac rear carrier assembly with gears

Description

We pulled this out of a wrecked 1954 Cadillac 60 years ago and stored it away .   This is the entire rear carried assembly with gears marked as coming off a 1954 Cadillac, turns, it hasn't been getting wet, still greasy as shown, dirty, some surface rust on the ring gear, unknown condition, nobody is left from 60+ years back to say anything about these, we know they were pulled from wrecked vehicles, likely lower mileage ones, and stored for shelf stock.  This is a local pickup only item here in Brewster NY about 55 miles north of NYC.  Please see the pictures for condition, and any markings I found, thank you.  We are identifying this from the paint mark put on it 60 years ago, please look over the pictures carefully to be sure this will fit your application.  Hollander has the 1954 fitting all Cadillac's 1941-1955, I have no idea if this is accurate as I couldn't match any of it's part numbers.