Which LEGO Factory sets are the most valuable?

The LEGO 10190 - Market Street (1248 pieces) is the most valuable LEGO Factory set. This set was released in 2007 with an MSRP of $89.99.

LEGO 10190 - Market Street is currently valued at 1900 which is a 2,011.35% gain.

Other Valuable LEGO Factory sets

Missing out on the LEGO Market Street? If you have these LEGO Factory sets, you could still make a decent profit.

Set NameMSRPYearLatest Market ValueGain
210200 - Custom Car Garage$69.992008$212.00202.90%
310183 - Hobby Trains$1002007$292.67192.67%
45525 - Amusement Park$702005$91.0030.00%