Is there porcelain and tin Douglas pump signs and in more than one size???

some tin douglas pump signs different sizes: .. ...

some porcelain douglas pump signs different sizes: .. ...

thanks for info Randy...

Owned by Conoco,they had one tanker in the Sacramento area and loaded from the Shell rack in W.Sacramento when I was driving many years ago. Douglas had a large truck stop in Lodi Ca.only station that was in our area at the time.

douglas refinery produced a lot of asphalt for our roads .. ...

krieger / douglas / conoco