99.9% Pure Copper Plate 0.8-4mm Thick Metal Sheet DIY Crafts Model Material | eBay
Plaque carrée en cuivre T2, cuivre rouge, 300x300mm, 1mm-5mm, largeur de plaque de cuivre 300mm, cuivre rouge, bricolage, soudage, travail des métaux - AliExpress
Vintage 1960's EGYPTIAN Etched Copper Plate Made In UAR (Box O4) | eBay