Help! 1954 Carb Markings???

[T.A.]

Restoring a very original 1954 and I'm trying to identify the markings that are stamped one all three carbs. All three are stamped with want looks like D-3 on the bodies. Two of the tops are stamped with A10. But one top I can't figure out. It looks like it is stamped with an A but I can't make out the rest. Here's a few pics if that helps. You can see the D-3 and A10 but the other I'm not sure. It looks like they are ink and stamped on with a rubber stamp. My plan is to have stamps made so I can restamp them after the carbs are restored.

 

[Tom Bryant]

Welcome to the CAC. We have a few early car experts around here. One should see this shortly.

Tom