https://www.donsmaps.com/makapansgatpebble.html

https://news.artnet.com/exhibitions/first-sculpture-makapansgat-pebble-1269056

First Sculpture: Handaxe to Figure Stone
January 27, 2018 - April 28, 2018

https://www.nashersculpturecenter.org/art/exhibitions/exhibition/id/535#!/info/exhibition/3140/5854
Makapansgat Pebble, ca. 2.5 million, University of Witwatersrand
Jasperite, 3 x 2 1/2 in. (7.6 x 6.3 cm)
University of Witwatersrand, Johannesburg, South Africa

Photo: copyright Brett Eloff

2010:
http://bindersart.blogspot.com/2010/05/subject-of-art-5-makapansgat-pebble-and.html

1974:
https://journals.co.za/content/sajsci/70/6/AJA00382353_4093