Marvel Schebler carb help

[Dale Maritimes Canada]

Anyone know what a "standard" model # is for using a Marvel Schebler carb on a Model A. My carb markings are all gone...or I can't find them.
I realize that there were numerous model #'s for these carb's (I think there are only 2 or 3 kits to choose from though).
The carb is a cast piece and only has a few casting #'s on it (no model #). 10A 355 if that means anything.
The main gasket is approx 4 1/8" long.
I've attached a picture of it prior to disassembling it.
Thank-you to anyone that can help!

[2manycars]

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That does not look at all like the Marvel carbs I have seen for a model A. That looks like a tractor carb, perhaps for an 8N ford tractor.