How do I care for antique copper?

Keep copper pieces dry and clean them gently with a soft cloth to protect the underlying metal and historic patina. Avoid harsh commercial abrasive polishes that strip away the aged surface character. Display items away from direct moisture and excessive sunlight to maintain the stability of both the metal and any accompanying paper elements.

Are all copper engravings hand coloured?

Not every impression received applied colour; many surviving examples remain in monochrome ink on paper. Hand-colouring was added to specific print runs using watercolours after the printing process. Examining the pigment under magnification helps distinguish original period hand-colouring from later additions applied long after publication.

What is the difference between an etching and an engraving?

An engraving is cut directly into the metal plate by hand using a sharp tool, producing clean and precise lines. An etching uses acid to bite the design into the metal through a protective ground layer. Under magnification, engraved lines taper to sharp points, while etched lines often display slightly softer, rounded edges from the acid action.