Chinese recent import.
Over the last few years, China has exported shiploads of both of this types of glass. Old Roman Glass is quite thin.
It's not worth very much today.
http://www.glassfromsweden.com/history-of-swedish-glass.html Read away.
Could be that the person who made the 2nd mark was Left Handed.
That is a trapped air bubble. Not cracked
Whatever you have, it's newer glass.
Check out this site. It will help everyone who likes glass....
That is a Crook from Nigeria.
Maybe Blenko Glass
Fenton Glass does not have Pontil Marks except old old Art Glass and 1976 Robert Barber pieces.
Some 3rd grader of their Mom.
Your bowl was made by Dugan Glass and is today worth $10.00
Looks like Mt. Washington Glass.
Mid K-Mart era.
Separate names with a comma.