These are antler punches used for indirect percussion flaking, much different than antler billits..no.2 is from the Santa Fey River, north Florida., thanks for lookin.
No shelter digs in Florida, no. 1 is from the tick island shell deposits on the St.Johns river on the east coast...No2 is from the Santa Fey River ( 10 feet under ) .
The wear pattern on those kind of looks familiar. If you get a chance could you paste the link below into your browser and look at the paper. Scroll to the end under the heading "Wear Patterns" and the two last pictures. Does it look like a possibility to what you have?