Albert Einstein World's Smallest Gold Coin 2010 (Swiss 1/4 Franc)
Coin (Bullion/Commemorative) · Yellow Gold (Pure Gold)
Purity: 999.9 Fine Gold (24K); 99.99% pure gold content
Type
Coin (Bullion/Commemorative)
Purity
999.9 Fine Gold (24K); 99.99% pure gold content
Gold Type
Yellow Gold (Pure Gold)
Weight
0.063 grams (1/500th of a troy ounce)
Description
An incredible feat of micro-minting, this 'World's Smallest Gold Coin' features the iconic portrait of Albert Einstein sticking out his tongue. It honors his genius and Swiss connections. Despite its microscopic size, it carries a legal tender value of 1/4 Swiss Franc and is struck in the highest purity gold.
Key Features
Microscopic scale; record holder for diameter; ultra-fine laser engraved detail of Einstein and the date 2010.
Color & Finish
Rich deep yellow; proof-like finish with mirrored fields and frosted relief
Hallmarks & Stamps
Stamped 'CONFOEDERATIO HELVETICA 2010'; 'B' mintmark for Swissmint (Bern)
Dimensions Estimate
Diameter of approximately 2.96 mm; Thickness of approx. 0.3 mm
Gemstones & Inlays
None; features a microscopic laser-engraved portrait of Albert Einstein
Clasp & Closure
None (Reeded edge)
Chain & Links
Reeded/Grain edge; standard coin milling for security
Craftsmanship Details
Exceptional precision engineering; die-struck with microscopic relief; edges are sharply milled despite the sub-3mm scale.
Authentication Indicators
Minting crispness of Helvetic profile; specific Swissmint font; 2.96mm diameter characteristic; no magnetic response.
Origin & Maker
Switzerland; Swissmint (Federal Mint of the Swiss Confederation)
Era & Period
Contemporary (Modern Commemorative, issued 2010/2020 releases)
Age Estimate
Production dated 2010 (as visible on coin), though many sets were issued/packaged in 2020
Cultural Significance
Represents Switzerland's precision manufacturing heritage and commemorates Albert Einstein, who lived in Bern when he developed E=mc².
Condition Notes
Appearance in image shows Very Good condition; some surface toning or shadows visible; requires magnification for grade assessment (likely BU or Proof).
Value Estimate
Primarily collectible/numismatic value; melt value is negligible (~$5 USD), but market retail ranges from $100-$150 USD due to rarity.
Care & Maintenance
Gently handle with plastic-tipped tweezers only; do not clean; store in its original protective capsule as it is easily lost.
Similar Items
1/20 oz Gold Coins, 1 gram Gold Bars; however, this coin is significantly smaller than standard bullion alternatives.
Interesting Facts
It is officially recorded as the world's smallest gold coin. It was originally sold with a magnifying glass so owners could actually see the design.