AI Appraisal Estimate

This specimen is a lithic artifact measuring approximately 2.25 by 2.25 inches, characterized as a multifunctional hand tool often used as a scraper. The object is composed of a fine-grained sedimentary or metamorphic stone, possibly chert or a high-quality limestone common to the Oklahoma region. It features varied earth tones ranging from tan and cream to deep ochre, with visible cortex remaining on parts of the surface. The construction displays evidence of unifacial and bifacial flaking, creating a robust, ergonomic grip suited for the palm of the hand. The presence of 'retouch'—smaller flakes removed along the working edge—suggests it was intended for scraping or cutting hides. The item shows significant surface weathering and a heavy patina consistent with long-term environmental exposure, though the primary percussion scars remain identifiable. While attributed to the Middle Paleolithic style, the regional context of Guthrie, OK, suggests it belongs to a North American prehistoric period, likely the Paleo-Indian or Archaic stage. The quality of craftsmanship is utilitarian, designed for durability and immediate use rather than ceremonial display. No modern maker's marks are present, emphasizing its origin as a hand-knapped tool.

I have examined the digital representation of this lithic artifact, identified as a tool found in Guthrie, Oklahoma. Measuring 2.25 x 2.25 inches, this specimen displays morphological characteristics consistent with a North American Paleo-Indian or Archaic stage scraper-plane. The presence of a heavy patina and visible iron oxide staining suggests long-term environmental exposure, which is typical for authentic surface finds. The percussion scars and secondary retouching along the working edge indicate a utilitarian tool designed for hide scraping or wood processing. From a market perspective, this item falls into the 'utilitarian lithic' category. While it exhibits fine-grained material and pleasant ochre tones, its value is moderated by its commonality and small size. Unlike high-distinction ceremonial points or large Acheulean handaxes, common scrapers are frequently found in the Oklahoma region. Market comparables on recent auction platforms for authenticated North American scrapers of this size generally fall between $30 and $90. The 'Middle Paleolithic' terminology used in the description is a stylistic European designation; geographically, this would be classified as an Early to Middle Holocene artifact in North America. I must note significant limitations: a definitive authenticity report requires physical examination to verify the 'desert varnish' and ensure that the flake scars were not produced by modern machinery or recent 'flint-knapping.' For a full authentication, I would require documented provenance including the specific site location or a history of the private collection. Without microscopic analysis of use-wear patterns or geological testing to confirm the source of the chert, this evaluation remains a professional opinion based on visual morphology and surface patina as seen in the provided images.