Sodium chloride crystal optic disc, 32mm x 3mm, polished both sides
Sodium chloride crystal optic disc, 32mm x 3mm, polished both sides ??
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Sodium chloride crystal optic disc, 32mm x 3mm, polished both sides C??? ??, ??, ??
Sodium chloride crystal optic disc, 32mm x 3mm, polished both sides ?? ?? ? ???
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Sodium chloride crystal optic disc, 32mm x 3mm, polished both sides ?? ??
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Sodium chloride crystal optic disc, 32mm x 3mm, polished both sides ?? ??:
