Amazon UK offers the Sony MDR10RC Overhead Lightweight Folding On-Ear Headphones in Black, model no. MDR10RCB.CE7, for $76.83 (£49.99). During checkout, the price falls to $64.03 (£41.66). With $17.01 (£11.07) for shipping, that's the lowest total price we could find by $24. They feature a 5Hz to 40kHz frequency response and 40mm neodymium drivers.

Note: It's temporarily out of stock, but can be ordered for this price to ship when available.