Watch out 1st Dibs, there's a new kid on the online global antique dealer block! Seriously, Bond & Bowery is a another great source for high-end antiques and their website is specific to metropolitan areas, making it easier to source things direct from your city. Check them out here. Above is an item from their Objets D'Art section: a Papier-mâché trade sign made by General Electric in the 1930's ($1,375), used as a promotion for early incandescent bulbs.