Can't find in the catalogue.
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from what sjoelund gave, the tughra looks like its from mahmud II
It is a Belly Dancer token, fantasy items to use as jewelry or clothes ornament, the year 78 is ficticious since no ottoman ruler ruled that time.
Examples:
N#138975
N#287942
If it had had a hole, I would have said the same….. you might still be right
If second picture is rotated 120 degrees to the right it is the same token as this
N#353196
There is a link on that page to this gold coin it is imitating
N#29671
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