Nautica via eBay offers the Nautica Men's Key Slip-On Shoes in Navy for $27. Apply coupon code "PSHOPEARLY" and check out with PayPal to drop the price to $21.60. With free shipping, that's $23 off list and the lowest price we could find. They're available in select sizes from 7.15 to 13. Deal ends November 20.

Note: The coupon can be used up to two times per PayPal account.