1860 Clark, Gruber & Co. $20 Die Trial. K-4a. Rarity-5. Gilt Copper. Reeded Edge. Very Fine, Altered Surfaces (Uncertified).Bright honey-gold surface are curiously glossy in texture to help explain our qualifier. A few well scattered nick are noted, as well, but there is plenty of bold detail to tempt the specialized collector. Although not as rare as once thought, these Clark, Gruber & Co. die trials are still scarce. The 1860 K-4a type offered here is particularly desirable given the legendary rarity of the firms regular issue "Mountain Twenty" of the same date.PCGS# 10146.
