these are vintage black leather dress shoes from the London Character line, specifically featuring their "Cushion-Flex" technology.
The "Cushion-Flex" branding, visible in gold lettering on the right sole, indicates a focus on comfort through a more flexible construction than traditional rigid leather soles. The heels also feature a distinctive crest logo and a rubber "top lift" with a textured pattern designed for better traction and durability.
London Character was a well-known mid-century American footwear brand, often found in major metropolitan department stores. These particular shoes appear to be a classic lace-up oxford or derby style, common for professional and formal wear during that era.