Rare proof (mirror-finish) silver bar made of 925 sterling silver, weighing 50 grams. This collectible piece is dedicated to the historic first manned flight of the Space Shuttle Columbia (April 12–14, 1981). The front design features the Columbia shuttle during launch or in orbit, along with the engraved inscription: "First Manned Flight with the Shuttle Columbia" and the commemorative dates. High-quality proof finish (mirror-like surface) Solid 925 sterling silver Weight: 50g Comes with certificate of authenticity Perfect for collectors of space memorabilia, silver investors, or as a unique gift.