Estimation: How much did the trainers cost?

Mr Gregg went to the shop to buy a football. But while he was there he saw some trainers that were reduced. The new price was about 60%  of the original price. So he bought them.

What's an estimate for how much Mr Gregg paid in Euros (€) that you know is too low?
What's an estimate that you know is too high?
What is your actual estimate?

Write your estimates in the comments.

To see the price tag, once you've made your estimate, click here.