Duke’s of Dorchester will offer this 9in (23cm) shell made by Lino Tagliapietra (b.1934), a master glass blower in Murano, at auction next month.

It is one of a limited edition of 100.

It was picked up at a Dorset car boot sale for a few pounds and is expected to achieve £1000-2000 on February 13.

Contact 01305 265 080