£65 each. Total: 4 (I have one more selling cheaper because of damage.)
Condition: one of the panels has a tiny crack. See penultimate photo below.
To send all 4 to your door in the USA, the total price including shipping would be about $531.87 (I will check currency exchange when issuing your invoice so may be a bit different. My ref: £411.71). The more you buy effectively the cheaper shipping is! Please see my international shipping page.
From a house in Cardiff. Original insitu: