Sinclair gas pump sign Real or Reproduction

The date stamp on the back is one I have never seen????

https://www.ebay.com/itm/304234611543?hash=item46d5cbc357:g:pcEAAOSw5llgYT5b

Thanks

real .. ...

https://www.ebay.com/itm/304234611543

Looks legit to me I have see. Those stamps before on back

it's real. The r is good and i've had a few with the same date stamp on the back.

-Steve