1853 United States Assay Office of Gold $20. K-18. Rarity-2. 900 THOUS. AU Details--Cleaned (PCGS).With a bold to sharp strike, ample remaining luster and pleasing olive-orange color, advanced gold type collectors and Territorial gold specialists alike are sure to take a keen interest in this relatively handsome AU coin. A historic California Gold Rush issue that enjoys strong collector demand in all grades.PCGS# 10013. NGC ID: ANJC.From the Barbaro Acres Collection.