Dear Gioia,

Thank you for contacting Mearto with your appraisal inquiry.

The presented object appears to be an Art Noveau glass vase with a height of 32.5 inches. There is no maker mark visible and it was probably made in Great Britain, France, or Belgium around 1900.
Comparable objects were recently offered and sold on the international auction market. 
This piece is in good condition and no severe damage is visible in the images provided.
A fair market estimation would be between 100 to 250 USD.
This estimate is based on actual recent past recorded auction sales of comparable items. Retail "asking prices" can be higher and may vary.

With kind regards,

George