associated lens's "more miles to the gallon" - Primarily Petroliana Shop Talk

is one of these lens's earlier than the other?
the green outline pitcher has the REG. U.S. PAT OFF.
at base of pitcher, the blue outline pitcher does not,
the blue pitcher lens matches the sign..
your 2¢ .. ...

Sweet lenses, Randy... Wish I could help; but nada on my part.

The one with the blue outline is the later version according to the 2016 Gas Globe CD
Green outline:1910s-1928
Blue outline: 1928-1932

Thanks Noah - .. ...