How do they get in that state ?
I admire (I think) anyone who would be brave enough to tackle this one https://www.ebay.co.uk/itm/124841721176?hash=item1d11257d58:g:4hMAAOSwOjJhDYig
What's the ballpark figure for such a restoration (many pieces of string come to mind), and what would it be worth afterwards ?
