49 x 38 x 21 mm (2 x 1.5 x .75 inches) and 30.76 grams. Provenance: Field Museum of Natural History, Chicago; The Macovich Collection of Meteorites. Estimate: $2,500 Reserve Amount: $2,250 w/ Buyer's Premium (BP)$2,688.75 http://fineart.ha.com/common/search_results.php?N=50+793+794+792+2088+4294955864+137&type=amer6059cls-tem030911