Update: The minifigure appears to be available for sale online at BR in Denmark. It costs 19,95 DKK (Danish Kroner) or about $3.49 USD. (thanks Jherold) Here’s the product description:
Expand your collection of LEGO minifigures with this cousin BR LEGO minifigure!
All children know Cousin BR – both the store and the figure. Cousin BR is a child who loves to play and will not be an adult, and when the kids see him, they think of fun, games and toys!
Forum member Bizarro reports to us that a eBay Listing has revealed a new 2013 LEGO polybag known as 5001121 BR LEGO Minifigure. There are five pieces including a minifigure baseplate. The listing describes it as “Produced to celebrate 50 years of the Danish toy shop BR, which has branches across northern Europe.”
BR LEGO Minifigure 5001121