Hi Tanya,

Thank you for contacting Mearto with your appraisal inquiry.
I do not think this was made in Murano.
Based on the photos and information provided, and subject to examination, this is:

A vintage pink jellyfish paperweight
American or European, mid 20th Century
Of circular section and ovoid form, the clear glass weight enclosing a pink blown glass jellyfish. Unmarked.
13cm length; 7.5cm width
CONDITION: This paperweight appears to be in good condition; value assumes no chips, cracks, repairs or losses.
PROVENANCE: Acquired at a flea market
$40-60*
*represents a fair-market value for auction purposes; retail or asking price may vary.

Please let us know if you have additional items to appraise, or questions/concerns, and thank you again for using Mearto.
~ Delia