https://www.silverpropertygroup.co.za/results/commercial/for-sale/sandton/bryanston/office/292463/
https://www.silverpropertygroup.co.za/results/commercial/for-sale/johannesburg/braamfontein/building/448489/
https://www.silverpropertygroup.co.za/results/commercial/for-sale/johannesburg/melrose/building/448487/