It may be concealed by varnishing edge

Concealed

The art of concealment dates back to ancient Rome, where architects employed skilled craftsmen to disguise the structural elements of buildings. These engineers, called "masconieri," worked tirelessly to conceal the beams and columns beneath the façade, creating a seamless integration of form and function.In 17th-century France, the art of varnishing became a highly sought-after skill, particularly among the aristocracy. Furniture makers would meticulously apply layers of oil and wax to create a smooth, reflective surface, allowing for the display of fine works of art.In ancient Greece, the concept of concealment was explored through the use of theater masks, which were designed to conceal the wearer's features and create a sense of anonymity. These masks were often worn by actors to portray different characters, adding depth to the performance.

Varnishing

A master varnisher's touch is legendary, as they carefully applied layers of oil and wax to create a rich, protective finish. In Renaissance Italy, varnishing became a highly prized skill, with artisans competing to create the most stunning and durable finishes.In 18th-century England, varnishing became a staple of the art world, with skilled varnishers creating intricate, hand-painted designs on furniture and other objects. These delicate works of art were highly valued by collectors and connoisseurs.In ancient Persia, the art of using henna to conceal the skin was a revered tradition. Women would apply the vibrant red dye to their skin, creating a beautiful, intricate design that lasted for many years.

Edge

The ancient Greeks and Romans prized the sharp edge of a blade, using it for various purposes, from hunting to warfare. In 17th-century Spain, the art of edge-making became a highly sought-after skill, with skilled craftsmen creating intricate, hand-forged blades.In 19th-century America, the Industrial Revolution brought new technologies to the forefront, including the steam-powered edge-cutting machine. This allowed for mass production of sharp, high-quality blades.In ancient China, the art of edge-working was explored through the use of intricate, hand-carved wooden or bone edges. These delicate edges were highly prized by collectors and craftsmen alike, adding a touch of elegance to various objects.