Should she return the wedding dress to the fiancé after cancelling the engagement or does she have to return its price?

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Check below answers in case you are looking for other related questions:
He gave her an engagement ring and they differed as to whether it was a gift or a loan
Buying back a gift from the one to whom it was given

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He gave her an engagement ring and they differed as to whether it was a gift or a loan
Buying back a gift from the one to whom it was given

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