Kobblestone Miniatures have released a 28mm Marketplace set.
From their website:
The Marketplace set consists of 3 covered vendor stalls, 3 tables with market products
including cheeses, sausages, fish, fruit and vegetables along with a set of clay pots.
Size: each stall is approximately 2″ H x 2″W x 2″ D
Best suited with 25-28mm figures – comes unpainted