Antique pre-1930s Charvos No. 612 precision drafting and compass set, complete with its original blue velvet-lined hard case made in the U.S.A. The exterior casing features a vintage handwritten \"USN #85\" marking, indicating authentic U.S. Navy service history. 
Item Details:
Era: Antique, Pre-1930s / Vintage Military Issue
Maker: Charvos (Made in USA) 
Model: No. 612 Drawing Instrument Set 
Condition: Antique pre-owned condition with expected age patina, tarnish, and wear to the case exterior. Please note that the set is missing one utensil piece from its slot inside the case, as clearly shown in the photos.
A fascinating piece of early 20th-century naval engineering history and a great display collectible!
Ships securely and quickly from a smoke-free environment. Feel free to reach out with any questions.
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