Former South Africa batsman AB de Villiers on Tuesday celebrated his school's 100 years of existence but with the COVID-19 restrictions around, he was all masked up."Let us look after each other, show your love by masking up and abiding by the rules. I'm masking up and at the same time celebrating my school's 100 year existence @ahs_1920 ," de Villiers said in an Instagram post with a picture of him wearing a colourful mask and a cap.de Villiers is slated to take part in the 3TCricket match which will be held on International Nelson Mandela Day, i.e. July 18 where three teams of eight will play in a single match, competing for the inaugural Solidarity Cup.SuperSport Park in Centurion will remain as the hosting venue for the match which will see three teams -- the Eagles captained by de Villiers, Kingfishers captained by Kagiso Rabada and the Kites captained by Quinton de Kock -- competing for the Solidarity Cup.de Villiers, de Kock and Rabada will lead the teams who will bat for a maximum of 12 overs, six per innings, during which time they will face both opponents on the pitch.At the fall of the seventh wicket, the last remaining batsman can carry on, but only score in even numbers, twos, four or a six.The side with the highest aggregate score at the end of the match will be adjudged the winner.