In Spanish how to say " I lost my wallet, have you seen a wallet around here just recently"?

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I think I would say:

"Acabo de perder mi cartera, ¿alguien la ha visto por aquí?"

Saludos

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In this situation I would say something like:

"Acabo de perder mi billetera... por casualidad no ha visto una por aquí?

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I lost my wallet, have you seen a wallet around here just recently"? 
Perdí mi billetera, has visto una billetera por ahi recientemente?

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Muchisimas Gracias!

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In this situation I would say something like:

"Acabo de perder mi billetera... por casualidad no ha visto una por aquí?