Heater Delete Dash Plate

I bought this assuming it would fit my 73+ dash hole - wrong. I'm not sure what A-body model years it fits. Maybe the backside picture is a clue.

Part# on the backside is 2884891

Part is in the San Diego area of SoCal

$45 shipped inside the US lower 48.

$48 shipped to my bruthas in Canuckistan.