AI Appraisal Estimate

This is a prehistoric lanceolate-style projectile point crafted from white quartz, documenting indigenous lithic technology. Measuring approximately 2.25 inches in length and 1.25 inches in width, the item is characterized by its sub-triangular or lanceolate profile, lacking the distinct notches common in later period points. The material is a semi-translucent to opaque white quartz, which presents significant challenges to the flintknapper due to its crystalline structure and unpredictable fracture patterns. Despite these difficulties, the piece shows evidence of percussion flaking and marginal retouching to create a functional cutting edge. The surface exhibits a sugary, crystalline texture with subtle highlights of light tan or cream-colored mineral inclusions. The edges appear somewhat weathered, consistent with an item recovered from a field or riverine environment in the Guthrie, Oklahoma area. It maintains a relatively thick cross-section, common for quartz artifacts which require more mass for structural integrity. The tip appears slightly rounded, either through original manufacture or post-depositional wear. This specimen represents an example of Paleo-Indian to Early Archaic lithic tools, reflecting the resourcefulness of early inhabitants using locally available high-silica stone for subsistence hunting equipment.

I have virtually examined this lanceolate projectile point, noted as a 2.25-inch white quartz specimen from the Guthrie, Oklahoma area. Based on the morphology, the item exhibits characteristics associated with the Late Paleo-Indian to Early Archaic transition. The percussion flaking and marginal retouching are consistent with lithic reduction strategies required for high-silica, crystalline quartz, which is notoriously difficult to knap due to its lack of a predictable conchoidal fracture. The sugary texture and weathering suggest authentic post-depositional exposure. From a market perspective, white quartz points are relatively common in the Eastern and Central United States, though less desirable to collectors than high-grade chert or flint due to the lack of fine detail (such as pressure flaking) that is obscured by the stone's grain. The condition is fair, with a rounded tip and thickened cross-section that limit its value compared to 'museum grade' translucent quartz specimens. Demand depends heavily on the 'lanceolate' classification; if definitively tied to a specific type like a Dalton or Agate Basin variant, value could increase, but the lack of distinct diagnostic basal grinding or thinning flakes keeps this in a more modest price bracket. Limitations: This appraisal is based strictly on visual inspection of the image and provided context. Definitive authentication is impossible without physical examination to verify the 'patina' versus modern mechanical abrasion and to check for microscopic 'pot-lid' fractures or mineral deposits. Full authentication would require documented provenance (discovery location and chain of custody) and potentially a 10x magnification study of the hinge fractures to ensure the item was not manufactured recently using modern steel tools.