Look for the pontil.
Marble ponti l.
Most vintage marbles were made by hand through the process called glassblowing.
Once done the stick is broken on its end.
During this procedure a stick is used where the marble is attached.
After the marble was made the creator ground the pontil mark down to create the slightly rough yet flat mark on the bottom.
Feel the pontil mark and determine how rough it is.
A confetti marble is a transparent glass base with small flecks or chips of colored glass forming a layer near the pontil of the marble.
Round pontil marks with a slightly rough texture that are still fairly smooth indicate what is known as a ground pontil mark according to akron marbles 1.
Marbles are part of a wide variety 865 lots of toys trains die cast vehicles and figures that was auctioned live on ebay october 26 2003.
3 4 black and blue marble br estimated 20 40 br sold for 40.
Collecting marbles is a game and the person with the greatest skill is the winner.
Round pontil marks with a slightly rough texture that are still fairly smooth indicate what is known as a ground pontil mark according to akron marbles.
Almost all have a transparent clear base.
Winning at marble collecting requires practice and knowledge and is not child s play.
The glass was a little too cool when it sheared off into the machine.
The marbles are rare.
Feel the pontil mark and determine how rough it is.
1 3 4 jenny lind bust rare german marble mint condition faceted pontil.
This pontil is formed by a similar process to the pinpoint pontil.
The single pontil will not be as evident as on most other types of transitional slags and will be evident as an irregularly smooth area on one pole.
Rare peltier 7 8 saturn bloodie w milky clear base rainbo opalescent.
1 5 8 cobalt and white swirl marble br estimated 300 600 br sold for 130.
After the marble was made the creator ground the pontil mark down to create the.
Melted pontil transitional slags like those with a ground pontil may represent an upward progression in the care taken to put a final touch on a single gather marble.
I have only seen one with a transparent colored base and that one was blue.
Identifying rare marbles requires playing with the big boys by reading their books attending marble shows and shopping where you can engage in.
The pontil is characterized by a tiny finger of glass that is folded over at the cut off point and partially melted into the marble surface.
Rare mint alley agate 5 8 monochromatic yellow flame w aventurine.
This leaves a tiny rough patch on the marble which is known as the pontil.