The state of Colorado is a division of the Southwestern United States, Mountain States and western United States. Not to mention that it was named after the Colorado River as the Spanish rightly called which means reddish silt as found at the banks of the great river.
Its economy depends on machinery, chemical products, food processing, transportation equipment, the extraction of metals like gold, molybdenum and silver.
Taxes on silver sales
There is a specific transactions sales tax rate in Colorado. This tax is applied for each sale and represents 2.9% of the price. There are some additional local sales tax required by cities or/and by the county, consequently the total sale tax amount varies between 2.9% and 10.4%.
Actually, this sales tax is not applied to silver coins and bullion purchases in this state.
More information on sales tax : https://www.colorado.gov/pacific/tax/sales-tax-rates