14K Yellow Gold SC1 Shlage Style Residential Key
Functional Object / Jewelry Novelty Key · Yellow Gold. The alloy likely contains copper and silver to provide the necessary hardness for a functional key while maintaining a classic warm yellow tone.
Purity: 14K (58.5% pure gold). The item is stamped '14K', indicating it is solid 14-karat gold throughout rather than plated, which is standard for luxury functional gifts.
Type
Functional Object / Jewelry Novelty Key
Purity
14K (58.5% pure gold). The item is stamped '14K', indicating it is solid 14-karat gold throughout rather than plated, which is standard for luxury functional gifts.
Gold Type
Yellow Gold. The alloy likely contains copper and silver to provide the necessary hardness for a functional key while maintaining a classic warm yellow tone.
Weight
Estimated 8 to 12 grams. Standard brass keys weigh about 7-9g; since gold is significantly denser, a solid 14K version of this thickness would be noticeably heavier.
Description
An exceptional example of a functional luxury item, this solid 14K yellow gold key elevates a mundane object into a precious treasure. Designed to be cut by a locksmith for a specific home or office lock, it represents a 'key to the castle' or a milestone gift like a new home purchase.
Key Features
The most distinguishing feature is the '14K' stamp on a standard SC1 profile. Unlike gold-plated souvenir keys, this item is heavy, non-magnetic, and serves as a portable bullion investment.
Color & Finish
Classic Yellow Gold with a satin/brushed finish on the head (bow) and a standard machined finish on the blade. The surface shows minor micro-scratches consistent with handling or carry.
Hallmarks & Stamps
The '14K' stamp is clearly visible on the top left of the bow, indicating gold purity. Above it is the mark 'LC', which likely refers to 'Lucky Line' or a specific specialty key manufacturer.
Dimensions Estimate
Standard SC1 key profile: Approximately 2 inches (50.8mm) in length and 0.8 inches (20mm) in width at the head.
Gemstones & Inlays
None. The item is purely metallic gold, relying on its high-polish finish and the novelty of its material for aesthetic appeal.
Clasp & Closure
Not applicable. The item features a standard circular hole (5mm diameter) at the top of the bow for attachment to a keyring.
Chain & Links
Not applicable. The blade features standard longitudinal grooves/milling common to the Schlage SC1 key blank, intended for residential lock cylinders.
Craftsmanship Details
Precision-milled blade with a stamped bow. The transition from the neck to the blade is cleanly finished, indicating industrial-grade jewelry casting and machining.
Authentication Indicators
Clear '14K' and 'LC' stamps. The color uniformity into the milled grooves suggests solid metal. A magnet test would verify non-magnetism, and a density test would confirm it as 14K gold vs. brass.
Origin & Maker
Likely manufactured in the USA by a specialty manufacturer like Lucky Line ('LC' mark). These are often sold as 'Executive Keys' or 'Luxury Key Blanks'.
Era & Period
Contemporary (Late 20th century to present). The 'SC1' design is a modern standard for locksmithing, and gold versions are popular high-end gifts from this period.
Age Estimate
Likely produced within the last 10-20 years. The lack of significant wear on the 'cuts' suggests it may have been a gift that was never fully 'milled' for a specific lock.
Cultural Significance
Represents the 'American Dream' of homeownership and the concept of access, security, and prestige within domestic life.
Condition Notes
Very Good. The head shows minor surface abrasions consistent with drawer storage. The blade appears 'uncut' or 'blank,' meaning it has not yet been shaped to fit a specific lock, maintaining its full gram weight.
Value Estimate
Primarily valued by weight. At 10g, the melt value is approximately $400-$450 USD (depending on spot). Retail for solid gold key blanks typically carries a 100-200% premium over melt.
Care & Maintenance
Clean with a soft cloth and warm soapy water. Avoid ultrasonic cleaners if the key is attached to other metal keys that might scratch it. Note that 14K gold is softer than steel or brass; regular use in a lock will eventually wear down the teeth.
Similar Items
Sterling silver key blanks, gold-plated brass keys (which flake at the edges), and 18K designer 'Key' pendants from Tiffany & Co. (which are non-functional jewelry).
Interesting Facts
Solid gold keys have been presented as symbols of honor for centuries, known as the 'Key to the City.' Modern 14K keys are often used for high-end real estate closings or 21st birthday gifts.