iPhone 6 Plus 64GB in Space Grey.

Screen: only tiny marks can be seen under very close inspection.

Top: tiny case marks on top-right hand corner.

Bottom: no major visible marks.

RHS: tiny mark on bottom right-hand corner that blends into the phone's antena.

LHS: no major marks can be seen.

Back: no major marks can be seen.

The Buy Sell Technology Ltd. testing procedures can be viewed here.