Industrial Brass or Gold-Plated Cylindrical Threaded Component
Hardware/Component (Industrial Fitting) · Yellow/Brass Tone (Likely brass alloy or base metal with decorative plating)
Purity: Likely Non-Gold or Low-Grade Gold Plating; 0% solid gold content expected

Type
Hardware/Component (Industrial Fitting)
Purity
Likely Non-Gold or Low-Grade Gold Plating; 0% solid gold content expected
Gold Type
Yellow/Brass Tone (Likely brass alloy or base metal with decorative plating)
Weight
10-25 grams (Estimated based on solid metal construction)
Description
A cylindrical metallic object featuring a knurled decorative or functional grip on one end. The item appears to be an industrial component, such as a valve part, electrical connector, or mechanical spacer. Its dull, tarnished yellow color is characteristic of weathered brass rather than high-purity gold jewelry.
Key Features
Knurled grip texture, cylindrical body, lack of jewelry aesthetic, heavy surface oxidation
Color & Finish
Dull yellow-brown with heavy patina, surface abrasions, and a machined knurled finish on one end
Hallmarks & Stamps
None visible; no precious metal stamps (e.g., 14K, 750) are present in the image
Dimensions Estimate
Approximately 25mm length and 10mm diameter
Gemstones & Inlays
None
Clasp & Closure
Threaded mechanical screw interface with knurled grip
Chain & Links
N/A - Solid cylindrical machined body
Craftsmanship Details
Lathe-turned machining with standard knurling; functional industrial quality rather than artisan jewelry craftsmanship
Authentication Indicators
Red flags for gold: uneven color, lack of precious metal hallmarks, oxidation characteristic of base metals (copper/zinc), and industrial design
Origin & Maker
Unknown industrial manufacturer; likely a hardware or electronics component maker
Era & Period
Contemporary/Late 20th Century Industrial
Age Estimate
Uncertain; 1980s to present day based on machining style
Cultural Significance
None in a jewelry or numismatic context; functional utility only
Condition Notes
Fair to Poor; significant surface wear, deep scratches, and oxidation/patina indicating exposure to non-controlled environments
Value Estimate
Negligible/Scrap value; primarily based on base metal weight (pennies)
Care & Maintenance
If brass, clean with mild abrasive polish; if gold-plated, avoid abrasives to prevent removing the thin gold layer
Similar Items
Brass pipe fittings, electrical ground lugs, or decorative furniture standoffs
Interesting Facts
Brass is often mistaken for gold due to its color, but it develops a dark brown or green patina over time which pure gold does not