Macy's offers the Martha Stewart Collection 4-Piece Salt Cellar Set for $14.33. Pad your order with a beauty item (they start at $3) to bag free shipping; otherwise, shipping adds $10.95. That's $22 off list and the lowest price we could find. It includes 4.5-oz. Kosher salt, 4.2-oz. Mediterranean salt, 4.1-oz. Himalayan salt, and 3.6-oz. Sel Gris salt.