Yours is not an original painting by Botero. The original is 205 cm x 82.5 cm (81 in x 32 in) and it is held in a private collection. The painting is titled "First Lady."
https://arthive.com/artists/63432~Fernando_Botero/works/329511~First_lady
You have a reproduction / copy and it has value as a decorator piece only.
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