Apple iPhone 13 Pro Max

Best Buy

Brand 'Apple' matches, Model 'iPhone 13 Pro Max' is visually identical to the iPhone 13 Pro on the box (same design, camera module), Color 'Graphite' matches the dark gray phone on the box, Camera module design (triple large lenses, layout) is identical to the phone on the box, Overall design and form factor (flat edges) match, Retailer (Best Buy) is a reputable source

Apple Iphone 13 Pro Graphite 512gb Unlocked Verizon At&t T-mobile

eBay - ready2call

Brand 'Apple' matches, Model 'iPhone 13 Pro' visually matches the phone on the box, Color 'Graphite' matches the dark gray phone on the box, Camera module design (triple large lenses, layout) is identical to the phone on the box, Overall design and form factor (flat edges) match

At&t iPhone 13 Pro 256gb Graphite, MLTW3LL/A

Walmart

Brand 'Apple' (implied) matches, Model 'iPhone 13 Pro' matches, Color 'Graphite' matches, Retailer (Walmart) is a high priority