There's FREE BEER in today's Geo Quiz. Well it's almost free. Here's the deal: a neighborhood pub in London is reaching out to its loyal customers in these tough economic times.

The place is called The Marksman Pub - its located somewhere in the London Borough of Hackney.

Barter for beer: photo Alex Collins

We want you to name this popular and fashionable neighborhood. Its name, according to local lore, was inspired by one of King Edward the Fourth's many mistresses.

Jane Shore, also known as the "merriest mistress" accidentally fell in a ditch and died. That's a clue.

Now back to that Marksman pub. Instead of paying as usual, patrons who are short on cash...can barter for beer.

Barter table: photo Alex Collins

So try to name this London neighborhood --- where you can exchange an old vacuum cleaner or a watercolor painting for a free pint. See we told you there was free beer...