SOBRAL stretch bracelet, black 2024 and speckled, marked, early work

SOBRAL stretch bracelet, black and speckled, marked, early work.
Early piece of SOBRAL jewelry: a 6 piece stretch bracelet, large tiles of matte black and speckled clear polyresin.
Each tile is 5 x 4 cm.
3 black and 3 speckled.
Large elastic threading.
Marked, see photos please.
Rare and collectible.

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I would love it if you have time to write a review?
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I would be ever so thankful!! 2024