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Trochidae
Trochus niloticus
pearly shell
used for buttons |
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Trochidae
Trochus niloticus
another type
of pearly shell used for buttons |
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Unionidae
Fusconaia ebena
a bivalve shell
with holes for button making |
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Unionidae
Fusconaia ebena
drilled for
buttons |
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Pteriidae
Pteria sp.
Pearl Oyster
with 3 button holes and buttons |
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detail of buttons
|
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Button blanks,
before polishing |
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Blanks polished
and ready for drilling |
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Buttons drilled
with holes |
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Shell buttons
carded for distribution |