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Hand made glass marbles were invented in Lauscha, Germany, in the late 1840s.They were produced until the early part of the twentieth century, when World War I and the invention of marble producing machinery in America effectively ended the hand made marble industry.The strands may be all of one color, alternate within the set, or be in sets of alternating colors.
The colors are typically opaque, though translucent strands do occur, especially in white examples.
The base glass is almost always clear and colorless, though tinted glass is found infrequently in shades of blue, green, or even amber.
Some Latticinio Swirls are "naked," that is, lacking an outer design.
These are rare because most marbles from the end of the cane were mis-shaped or just not very pleasing to the maker, and were rejected.
Beginning-of-cane examples are harder to recognize but have a design that seems to come out of one end of the marble.
Solid colored cores often have strands on their surface, either straight or twisted around the core.