Amazon offers the Suncast 73-Gallon Wicker Resin Deck Box in Mocha, model no. DBW7300, for $44.09 with free shipping. That's tied with our mention from three weeks ago as the lowest total price we've seen. (It's a current low by $17, outside of the deal below.) It measures 22" x 46" x 23".
A close price: Target offers it for $45.40 with free shipping via coupon code "TGT6H257".