Old Collection Siegenite Cluster on Matrix from Buick Mine Missouri USA

This great little piece features lustrous, silvery and octahedral siegenite crystals on top of a matrix with some dolomite, quartz, and chalcopyrite. It is from Buick Mine, Bixby, Missouri.
It measures approximately 24 x 22 x 16mm and will come as pictured in a perky box. Please see photos for details. Previously part of the George Reimherr Collection.