Macy's offers the Martha Stewart Collection 4-Piece Color Coded Knife Set for $22.99. Coupon code "JULY" cuts it to $17.24. Opt for in-store pickup to dodge the $10.95 shipping charge. That's a buck under our mention from over two weeks ago, $18 off list, and the lowest price we could find. Buy Now Features color coded with green for vegetables, blue for fish, yellow for poultry, and red for beef