Palm Tree is one of the three skins released under the Rio Carnival offer. It could be individually purchased with game coins in February 2017.
Palm Tree could be purchased in the Skins Shop under the ‘Carnival’ tab for 690 coins. This skin was available for a limited time and may not be available for purchase in the future.
Details of this skin can vary depending on location, platform or time.
Note: The Rio Carnival offer with the Palm Tree skin was released again for a limited time in early March 2019. The price for Palm Tree remained the same at 690 coins.