24K Yellow Gold Cast Bullion Piece with Serial Identification
Raw Gold / Bullion Grain or Cast Fragment · Fine Yellow Gold
Purity: 24K (99.9% fine gold)

Type
Raw Gold / Bullion Grain or Cast Fragment
Purity
24K (99.9% fine gold)
Gold Type
Fine Yellow Gold
Weight
Insufficient data for total weight; visual depicts a magnified section likely from a 5g to 31.1g (1oz) bullion item.
Description
This piece appears to be a fragment or a specialized disc of investment-grade 24K gold. The surface shows distinct circular machining marks underneath a stamped serial number, indicating an industrial manufacturing process meant for tracking and authentication. The high-purity yellow hue is characteristic of fine gold exceeding 99% purity.
Key Features
Unique 6-digit serial number (510021) for inventory tracking and security.
Color & Finish
Bright yellow saturation with a raw, matte-satin cast finish and circular lathe-turned polishing marks.
Hallmarks & Stamps
Engraved or stamped serial number '510021' primarily visible; purity stamps likely exist on reverse side.
Dimensions Estimate
The diameter of the visible circular face appears to be approximately 10mm to 15mm.
Gemstones & Inlays
None
Clasp & Closure
Not applicable (Bullion item)
Chain & Links
Not applicable; edge appears to be a consistent cast bezel or rounded rim.
Craftsmanship Details
Machine-lathed surface finishing with a mechanical press-stamped serial number for high-precision clarity.
Authentication Indicators
Characteristic deep yellow hue of 24K gold and industrial-grade serial number stamping.
Origin & Maker
Indistinct from image; serial number format is common among European or Asian refineries like PAMP or Valcambi.
Era & Period
Contemporary (Modern Investment Bullion)
Age Estimate
Modern production, likely 2000s to 2020s.
Cultural Significance
Represents the modern standard for wealth preservation and financial security in the global market.
Condition Notes
Very Good; shows minor surface abrasions and micro-scratches from contact with other metal surfaces, typical of bullion storage.
Value Estimate
Primarily determined by the spot price of gold per gram, with a narrow 1-5% premium for the serial identification.
Care & Maintenance
Avoid contact with harder metals to prevent scratching; store in a soft-lined capsule or pouch. Fine gold is hypoallergenic and does not tarnish.
Similar Items
Gold sovereign coins, 1oz gold bars, or industrial gold sputtering targets.
Interesting Facts
Gold bullion serial numbers are often used to record 'chain of custody' in high-security vaults to ensure the metal has not been tampered with or replaced.