Company email (April 2019)
"For the past 20 years we have not used any eggs/egg product in our wines during the fining process. So any vintages from 2000 onwards, you can drink.
"Previous to the year 2000, it may have been used for some of the wines."
[We've asked about the non-egg stuff]
Bruno Giacosa (pre-2000)
Not Vegan
This product is listed as not vegan friendly.
What the company told us
Correspondence on record, with the date of each entry.