What is my item? And what is it worth?

appears too be used too demonstrate the different grades of conoco lubricants,
item is 1948 or earlier with the green around the conoco triangle-
value: minimum of 100. + never seen another one .. ...

Here is mine. Salesman sample.

Seen this older post and wanted to add the one I recently found although mine has another little box I think they go together wondering if it's complete or if more?

Nice!!

contents condition in all 3 of the above post are in xlnt. cond. .. ...