Plastic safety case for ensuring the authenticity and condition of a gold coin, precious stone, pearl or the like
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United States of America Patent
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Jul 23, 1991
Grant Date -
N/A
app pub date -
Oct 17, 1988
filing date -
Jun 10, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A case of plastic material for at least one marketable valuable piece as a coin, a medal, a precious stone, a pearl, a stamp or the like, including two superimposed elements, at least one of which is transparent and formed with a shell to lodge the piece. The elements are connected at least along their edges, and between the upper and lower elements which enclose the piece with certification data, a tamperproof seal is provided against counterfeiting and against forced opening. The seal includes a delaminable security printing pattern in the form of a hologram or of a multi-ink layer which is discontinuously adhered so as to be visibly and irreparably lacerated upon an opening attempt being imparted to the case.
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