need help identifying blue jar

[SamadaX]

I found a jar and have no idea how to identify it. Only a few things on the jar. A M in a circle and right below it is the number 7. and 4 designs going down the sides each design is one long line with two shorter ones beside it that is thick at the top and narrows toward the bottom. Any ideas what it could be?

 

[cb0023]

got a pic?

 

[chinaaaboy]

okok





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[ronvae]

Here's a quote from the maker's mark list on myinsulators.com (awesome list):

"M in a circle...Maryland Glass Corporation, Baltimore, MD ( 1907-19??). Mark first used in 1921...this company specialized in cobalt blue glass bottles and jars. Many of the containers made for Phillips Milk of Magnesia, Bromo-Seltzer, Vicks, Noxema, etc, were produced here....Not: The "M in a circle" mark has also been used more recently by the Mosser Glass Company (Cambridge, OH, 1964-to date), but in those cases it is usually found on tableware, novelties, toothpick holders, etc...".[]