AHB style oil filler neck cap? on ebay $11.95 and free ship

[AMC Diplomat]

I could be wrong, but this looks like a shiny new version of an AHB style oil filler cap (no tube/neck though) $11.95 with free shipping


https://www.ebay.com/itm/NOS-Stant-SO98-10098-Oil-Cap/394745123134?