Purchased from a local charity shop about 3 years ago. It is approximately 39 cm tall x 17 cm wide
Thank you for contacting Mearto. This is a vase made with copper or copper alloy, as indicated by the patina. There are dragons motifs, which indicates that it may be Chinese. Vases like these were made in the 19th and 20th centuries. The condition of this vase appears to be good.
Prices vary for similar pieces. Below are links to hammer prices of similar vases. Most are under $100, with one outlier. The Fair Market Value of your item is between $50 and $100.
2 $45 (one looks really similar to yours)
$40 (this one looks new)