This is an original 1935 black and white print ad for the Thomas and Hochwalt Laboratories, Incorporation, an organization in chemical science located in Dayton, Ohio.
CONDITION
This 76+ year old Item is rated Near Mint / Very Fine. Light aging throughout. Small wrinkle - top right corner. No natural defects. Light surface rub - center right. No tears. No water damage.
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Product Type: Original Print Ad; Black / White
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Grade: Near Mint / Very Fine
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Dimensions: Approximately 10.75 x 13.5 inches; 27 x 34 cm
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Authentication: Serial-Numbered Certificate of Authenticity w/ Full Provenance
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Protection: Packaged in a custom archival sleeve with an acid-free black board (great for display, gift-giving, and preservation)
Keywords specific to this image: caverns, scientific research Vintage Advertising
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