Acheulean Style Chert Bifacial Tool Appraisal

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Acheulean Style Chert Bifacial Tool

This artifact is a cordiform-style lithic biface, measuring approximately 5 inches by 5 inches, crafted from a tan-to-ochre colored chert. The item demonstrates significant surface patination with dark mineral deposits and manganese spotting across the dorsal face, consistent with long-term environmental exposure. Physically, it features a rounded, bulbous base known as a ‘butt,’ intended to fit the palm, tapering toward a more defined working edge. The construction shows evidence of hard-hammer percussion flaking, resulting in large, deep flake scars. This specific tool type, characterized as an Acheulean-style hand axe or scraper, is typified by its bilateral symmetry and dual-purpose utility for butchering or scraping. While similar in morphology to Lower Paleolithic tools found in the Old World, its provenance in Guthrie, Oklahoma, classifies it within a North American context where such robust bifacial forms are often associated with Paleo-Indian preforms or early archaic quarrying tools. The condition is stable, showing smoothed edges from natural rolling or water wear, with no modern fracture lines, suggesting significant antiquity. The heft and craftsmanship indicate a functional prehistoric tool designed for durability during heavy-duty tasks.

Estimated Value

$150 - $300

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