Songke Trading Co. via Amazon offers the
Sunko 8" Double-Sided Countertop Bathroom Makeup Mirror in Silver or
Rose Gold for $36.99. Coupon code "sunkoa50" cuts that to
$18.49. With
free shipping, that's $19 off list and the lowest total price we could find. (Most retailers charge around $30 or more for such a mirror.) It features 360° swivel rotation and 10x magnification on the reverse side.