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Sometimes an error slips through during production. Collector's often like these for the rarity.

Metallic Strip

Sometimes a bit of metal gets mixed in the glass and ends up on a marble

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Metalic Rainbo.jpg
Metalic Strip.png


Definition of bifurcated : divided into two branches or parts

Bifurcated Dragonfly
Transparent NLR with oven brick inside.p

Pieces of oven brick sometimes find their way into a marble

Peltier Errors 1 fromTom Grimes.jpg
Peltier Errors 2 fromTom Grimes.jpg
Peltier Errors 3 fromTom Grimes.jpg

Cullet are leftover pieces of glass from a marble run. They can be fun to collect.


Double stamped comic marble

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Error 2.jpg
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Sometimes things got horribly wrong!

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