50zl - 80z
People can buy a designer tee-shirt for that in TK Maxx. You'll find in PL that people are very careful with their money when they buy clothes.
I have seen a pair of converse hand painted by Ronnie Wood (Rolling Stones) and they were on sale for £2500!
If it was by Fred Wood from the pub round the corner they might fetch a fiver - only a collector would be interested in something expensive hand-painted by an ageing singer.