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Amazon is raising its free shipping threshold for some customers. To qualify for free shipping, non-Prime members typically have to purchase an order totaling at least $25.
Postal rates to 1847. Initial United States postage rates were set by Congress as part of the Postal Service Act signed into law by President George Washington on February 20, 1792. The postal rate varied according to "distance zone", the distance a letter was to be carried from the post office where it entered the mail to its final destination.