That looks like a post-Arduino-reconciliation board - note the 4 symbols, which appeared when Genuino was launched, but the Arduino.cc address. They've got the custom PTC and the custom color soldermask.
That looks like a post-Arduino-reconciliation board - note the 4 symbols, which appeared when Genuino was launched, but the Arduino.cc address. They've got the custom PTC and the custom color soldermask.