Objects crafted from glass that exhibit a shimmering, rainbow-like play of color on their surface, and which originate from a prior era, represent a specific category of collectible. This optical phenomenon is... Read more »
Objects of glassware from prior eras featuring a lustrous, rainbow-like sheen across their surfaces constitute a significant area of collecting and historical study. This unique visual effect is created through various techniques,... Read more »
Objects crafted from glass displaying a shimmering, rainbow-like effect due to metallic salts applied during the manufacturing process are highly sought after by collectors. This treatment, often achieved through the introduction of... Read more »