Theme: Ptolemy’s Astrolabe: The Ancient Sky Calculator
Long before telescopes and satellites,
there was a brilliant mind named Ptolemy—
a thinker who dared to hold the heavens in his hands.
Designed by Claudius Ptolemy around 150 AD, the astrolabe was a sophisticated astronomical instrument that simulated the motion of the celestial sphere. It wasn’t just a tool—it was a gateway to the stars. III. Famous for calculating the Earth’s circumference with remarkable accuracy using shadows and geometry.
Specifications
Denomination: €10
Material: 92.5% Silver (Ag)
Diameter: 40.00 mm
Weight: 34.10 g
Quality: Proof
Edge: Plain
Artist: G. Stamatopoulos
Packaging: Elegant wooden box with certificate of authenticity
Limited Edition: Only 2,000 pieces minted
