1861 Clark, Gruber & Co. $20 Die Trial. K-12c. Rarity-6. Copper. Reeded Edge. VF Details--Damaged, Improperly Cleaned (NCS).Unlike its K-12b counterpart offered above, this copper die trial of the 1861 Clark, Gruber & Co. $20 has six stars facing Liberty, as seen on the regular issue coins in gold. Softly defined in the centers, although peripheral detail is bolder and the overall design is readily appreciable. Scarce.From the Collection of Samuel J. Berngard.