Barcelona coffee table by Mies Van Der Rohe and Lily Reich for Knoll, design'50

Barcelona coffee table by Mies Van Der Rohe and Lily Reich for Knoll, circa 1949. 1st series.
 "X" structure in steel and 15 mm clear crystal glass.
 Excellent vintage condition.
 Production period: 1950-1959
 Creator: Mies Van Der Rohe, Lily Reich
 Manufacturer: Knoll
 Style: Mid-Century Modern
 Material: steel, glass
 Color: silver, transparent
 Measurements: width 100, depth 100, height 46 cm