These seven blades were obviously struck off

small cores. The seven examples pictured here

range in size from 1 1/4 (3.2cm) to 1 1/2 inches
(3.8cm) long. They were never finished into drills

but close examination might show use wear on

some of them even though they were never
finished into drills. Any sharp edge could serve

as a cutting tool. There are 232 rejected blades in

the Greg Perino collection.
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