World No. 1 tennis player Novak Djokovic got a huge recognition from his country, Serbia, which has recognised his achievement by issuing a postage stamp—for mailing letters both nationally and internationally—a first for any athlete from the country.

“[It is] an honour to receive my very own Serbian stamp. Thank you to my generous country for this rare gift! I’m humbled!!” Djokovic tweeted on Friday. “Excited to share we’ll partner with the Serbian National Postal Service on Novak Djokovic Foundation projects for every child to have the opportunity to attend preschool. Gratitude for everyone that brought this together. Now Jelena Djokovic and I will take some stamps home for the kids to write to Santa,” he added.