In oklahoma, the number of oil can collectors is growing quickly.
Swap meet price of cans in good condition is rising.
I go to every swap meet in the area, and often notice
25-50 yr olds buying alot of cans. Im 34, and have been collecting for 2yrs. Local prices have risen in that time (probably due to American pickers).
Interesting the geography of prices.
This is why we need an article bro.

I cant speak for gas pump or sign related trends.
Dont follow them