Rudy - when I first saw the screen, I thought as others did, that you could commission someone to do a similar thing, but on reading the description, maybe not...
(I bet, however, they pay some poor lass in the back end of Asia 50p a panel...)
With regards to the armchair and ottoman, it looks like one sold for about £1,600 on ebay (collection only) - so that might be an option... or try Preloved. I don't think they charge selling fees.
Alternatively, take some good photos, and send them to a few auction houses, and a few vintage furniture shops, and see what kind of response you get. You may be surprised or utterly disappointed (as we were!)
GGG - I must tell you that in 'hommage' to your pink sofa, I have purchased pink velvet cushions to go on mine. You have immpecable taste - and that goes for Cos coatigans too. I wish they did them in a few more colours.
Hattie - the neck is 'cut' quite close to the neck, and thats why I wear a scarf with it. TBH, I normally wear it either open, or with a middle button done up to show I have some semblance of a waist! HTH