LUNAR ROCKS, RETURNED TO EARTH BY THE RUSSIAN LUNA-16 UNMANNED MISSION, SEPTEMBER 1970

Three samples of lunar rock from Luna-16, the first automated sample retrieval from the moon, encased under glass within a 2 by 2 inch metal block positioned below an adjustable lens, the whole secured to a 6½ by 3½ inch metal base labeled “ЧАСТИЦЫ ГРУНТА ЛУНЫ-16” [SOIL PARTICLES FROM LUNA-16]. Central fragment consisting of basalt with feldspar crystals visible, adjoining larger fragments consisting of finely structured vesicular agglutinates, showing glass coatings caused by age-old meteorite impact.