Most likely a vintage clothes store, though something like that would be pretty rare. As to the authentic jacket used in the show...I bet French Stewart kept it. I would.
in London
it's a Belstaff jacket
You can buy it from Working Person. The jacket is a charcoal Dickies Eisenhower jacket Twill. It is a very nice jacket. Go to www.WorkingPerson.com and go to Dickies Jackets and you will find the jacket.
You can buy the supreme-being gold pursuit jacket from ebay.
You can buy the actual jacket right now on EBay for $200.
Patagonia.com
target
eBay.com Type In OVO Jacket They Are Selling It For 1,500
Well you can buy it on ebay ,you can go to its convention or buy it from their official site.Believe me ive done it
One can buy a Patagonia R4 jacket in a wide variety of places. A Patagonia R4 jacket can be bought at a local Patagonia store, or it can be bought at the official website.
Its a barbour jacket they all are in that soap just no name on them
Buy a new one