Here's a picture of Robs and the boys at the side entrance of the NGA's West Building, with a poster of Picasso's self-portrait as a young man, above the door.
Rodin's "Thinker" exists today in many casts and sizes. More than fifty are known in this size—which is the size of Rodin's original handmade clay model. (Source)
Edgar Degas's original wax statuette of the
"Little Dancer, Aged Fourteen" (1878 - 1881),
one of the best-loved sculptures of all time.