Vintage Advertising Blackstones store 5 cent Aspirin Tin Full

Found this today at a estate sale a vintage advertising Blackstones 5 cent aspirin store tin full of actual aspirins! It measures approximately 1 1/2 inches long by 7/8” wide and 1/4” deep and is in near mint condition with To be expected flaws. The tin reads six tablets five cents 5GRS. Its also approved by good housekeeping bureau and for relief of simple pain and discomfort resulting from mild headaches muscle aches and pains etc. a neat clean tin for the aspirin tin and or advertising tin Collector.