The state of Washington was acquired in 1846 from the British through the Oregon Treaty.It’s one of the 51 states of america
Its economy depends on mining, manufacturing (aircraft, automotive), lumber, shipbuilding, telecom, retail, computer software, electronics, telecom and biotechnology.
Taxes on silver sales in WA
There is a specific transactions sales tax in Washington as in Florida. This tax is applied on each sale and represents 6.5% 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 7% and 9.6%.
Actually, this sales tax is not applied to silver coins and bullion purchases in this state.
More information on sales tax in Washington: http://dor.wa.gov/content/FindTaxesAndRates/RetailSalesTax/