Amazon sell it but look at the P&P £12.50
https://www.amazon.co.uk/Schoellers-Hammer-Airbrush-Paper-30122/dp/B0040XKJFY/ref=sr_1_fkmr0_2?ie=UTF8&qid=1531926577&sr=8-2-fkmr0&keywords=schoellershammer no4 airbrush paper
Getting some ordered end of next week
Bugger ran out of coffee
Beginner-James
That's the paper version No.4 , my link is G4 which is board, the postage in your link is because its coming from abroad, there are plenty of suppliers of the board in the UK so you'll only pay UK post.