Hello Monster,
"Welcome to Marble Connection"
Post away, anxious to see what you have to share, a friendly crew here, many years of combined marble & marble related knowledge.
"Again, Welcome"
"Welcome to Marble Connection Michael"
The ones w/ lines on them look like unglazed Chinas, not sure about the others, someone will chime in that knows a bit more about them.
Never seen one w/ red lutz on Ebay. All I did was google "Rare Jabo marbles" here's the link.
LINK :: https://www.tapatalk.com/groups/anythinggoes43567/rare-marbles-from-the-jabo-2008-2010-experimental--t2043.html