Need Supply Co. offers the Red Wing Heritage Men's 9197 Postman Boots in Black for $210.99. Coupon code "EXTRA25" cuts that to $158.24. With free shipping, that's the lowest total price we could find by $102. They come in most sizes from 8.5 to 10.5, and are made in the USA.
Of note, these shoes are final sale and are not eligible for returns or exchanges.