1. Hammerstone Museum number: 5-4844 Culture or time period: Acheulean Object class: Hammerstones Dimensions: length 10 centimeters Collector: Charles M. Keller Collection place: Montagu Cave, Western Cape Province, Republic of South Africa Collection date: 1964-1965
2. Hammerstone Museum number: 5-4782.2 Culture or time period: Acheulean Object class: Hammerstones Collection place: Montagu Cave, Western Cape Province, Republic of South Africa
3. Hammerstone Museum number: 5-5020 Culture or time period: Howieson's Poort Object class: Hammerstones Dimensions: length 12 centimeters Collector: Charles M. Keller Collection place: Montagu Cave, Western Cape Province, Republic of South Africa Collection date: 1964-1965
4. Hammerstone Museum number: 5-4737.1 Culture or time period: Acheulean Object class: Hammerstones Collection place: Montagu Cave, Western Cape Province, Republic of South Africa
5. Hammerstone Museum number: 5-4824 Culture or time period: Acheulean Object class: Hammerstones Dimensions: length 12.5 centimeters Collector: Charles M. Keller Collection place: Montagu Cave, Western Cape Province, Republic of South Africa Collection date: 1964-1965
6. Hammerstone Museum number: 5-4737 Culture or time period: Acheulean Object class: Hammerstones Collection place: Montagu Cave, Western Cape Province, Republic of South Africa
7. Hammerstone Museum number: 5-4808 Culture or time period: Acheulean Object class: Hammerstones Dimensions: length 9.5 centimeters Collector: Charles M. Keller Collection place: Montagu Cave, Western Cape Province, Republic of South Africa Collection date: 1964-1965
8. Hammerstone Museum number: 5-4843 Culture or time period: Acheulean Object class: Hammerstones Collection place: Montagu Cave, Western Cape Province, Republic of South Africa
9. Hammerstone Museum number: 5-4824.2 Culture or time period: Acheulean Object class: Hammerstones Collection place: Montagu Cave, Western Cape Province, Republic of South Africa
10. Hammerstone Museum number: 5-4843.2 Culture or time period: Acheulean Object class: Hammerstones Collection place: Montagu Cave, Western Cape Province, Republic of South Africa