Yes I've seen them online but I haven't seen them in my local shaving shop, but I can ask them of course...these are the ones im referring too
Derby USTA Stainless Double Edge Safety Razor Blades shaving sealed uk selLER | eBay
All Derby razor blades are manufactured from stainless razor blade steel strip imported from Sweden. Derby Extra Double-Edged Safety Razor Blades. DERBY EXTRA double-edged safety razor blades. Can be used in any double edge safety razor or snapped in half and inserted into a modern cut throat razor.www.ebay.co.uk