Gas Pump Inserts

My uncle gave these to me.

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First Photo:
> Phillip 66 Gas Pump Inserts.
> The "Regular" part is a sticker.

Second & Third Photo:
>It was originally Sinclair Power-X. That is a sticker that was added on later.

>It is broke in the right bottom corner, the "DINO SUPREME" sticker is keeping it from falling off.

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These are glass.

**Im not for sure on the years, so anybody know?**