Can you Identify this Old Gigini Accordion?

• How old is this accordion?
• Was this a good instrument for its time?
• How Valuable is this old Gigini Accordion?

I wasn’t given much information on this Gigini Accordion. I assume Gigini is made in Italy? Whatever information you can provide would be much appreciated. Perhaps, you could tell us where on the accordion we could look for more clues?

Old Gigini Accordion