I know it is correct to say a “20-pound note”, but is it also OK to say “a 20-pound dress” in order to express the price of the dress?
Thank you!

I think it is: “20 pound prom dresses ✽ Shop now precious from US. Customer care ✓ fast delivery ✓ secure payment.”
“At Amazon.com, we not only have a large collection of 20 dollar gifts, but also…”