Primarily Petroliana Shop Talk Forums Shop Talk Petroliana Forums Petroliana Value Questions OILZUM FLANGE- DATED> AM 3-53 - EXCELLENT

Hello. recently recieved a Oilzum flange from local area here in new england. wondering on some info ? rarety? and general recent sale prices last couple years or so on a item like this?. also, feelings on what you may think condition grade is...I think its about 9.2-9.4 grade...
but open to all helpful info.
thanks.
I posted pics of both sides and the flange part with the date.