Johnson Matthey 1 Ounce Troy Fine Silver 999 Bar
Bar/Ingot (Bullion) · N/A - This item is Fine Silver; visually displays a bright white metallic luster characteristic of silver bullion
Purity: Non-gold; documented as .999 Fine Silver (99.9% pure silver content)
Type
Bar/Ingot (Bullion)
Purity
Non-gold; documented as .999 Fine Silver (99.9% pure silver content)
Gold Type
N/A - This item is Fine Silver; visually displays a bright white metallic luster characteristic of silver bullion
Weight
31.33 grams (matches the image scale); slightly over one standard Troy Ounce (31.1035g), consistent with minting tolerances
Description
A classic 1oz Fine Silver bullion bar from the world-renowned refiner Johnson Matthey. This piece features the iconic JM hammers logo and a specialized serial number for security. Johnson Matthey bars are highly liquid and trusted in the global precious metals market.
Key Features
Individually serialized for security, reputable refiner logo, frosted finish against a mirrored background, classic rectangular geometry
Color & Finish
Silver-white lustrous color; frosted recessed design with high-polish raised lettering and a mirrored field
Hallmarks & Stamps
Stamped with 'JM' logo with hammers, 'JOHNSON MATTHEY ASSAYERS & REFINERS', 'FINE SILVER 999', '1 OUNCE TROY', and a unique serial number at the bottom
Dimensions Estimate
Standard 1oz bar dimensions: approx. 50mm x 29mm x 2.5mm
Gemstones & Inlays
None; pure metallic bullion strike
Clasp & Closure
N/A - Solid rectangular bar with rounded corners and smooth edges
Chain & Links
N/A - Solid rectangular construction
Craftsmanship Details
Precision die-struck bullion with crisp lettering, uniform thickness, and a vertically oriented layout
Authentication Indicators
The weight of 31.33g on the scale is a strong indicator of authenticity for a 1oz bar; stamping depth and font alignment are consistent with genuine JM production
Origin & Maker
United States/Canada/UK; produced by Johnson Matthey (refined by Asahi Holdings since 2015 acquisition)
Era & Period
Modern Bullion Era (Late 20th Century to early 21st Century stylistic indicators)
Age Estimate
Likely produced between 1980 and 2015 based on the classic logo design and serial number format
Cultural Significance
Represents the standard for private wealth storage and industrial investment in precious metals during the 20th century
Condition Notes
Very Good; the scale shows a clean bar with minor surface contact marks and light milk spotting/tarnishing typical of silver stored outside of a capsule
Value Estimate
Current silver spot price (~$25-30/oz) plus a 'JM' secondary market premium of $3-$7; total estimated value $28-$37 USD
Care & Maintenance
Store in a cool, dry place; use an airtight acrylic capsule to prevent oxidation (toning); do not clean with abrasives as it reduces numismatic premium
Similar Items
PAMP Suisse 1oz Silver Bar, Engelhard 1oz Silver Bar (more collectible), Sunshine Minting 1oz Silver Bar (Security SI feature)
Interesting Facts
Johnson Matthey ceased bullion production after selling its refining business to Asahi in 2015, making original 'JM' stamped bars semi-collectible with a higher premium than generic bars