CA,
Nice Job !
He's looked closer and can see just the top half of the AOB on the right lug. Most of the AOB stamp missed the lug, splitting the A above the cross, the O in half along with the B. Looking at it upside down makes it look like a D or O, U then a V.
PM on the left lug. Still not sure if the marking under the left lug is a B or 8.
I'll try to get him to send along some pictures.

Thanks for your help, once again,
Charlie-painter777
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