This is a Stressless Arion 3 Seater Sofa
Reclines too and has adjustable headrests
Good condition with signs of use and imperfections - see pics
Not 100% perfect but looks great with no rips, tears or nasty niffs
Go and price a new one - you wont get any change from £4.6k 
There is another used one on eBay for £2695
198cm x 80cm x 97cm (remember headrests can go up) x seat height 44cm