There seems to be a consensus that these spiders are Czech. The stone is most likely Bakelite. There are crystals on the toes, neck and eyes that are pink or red.The metal is most likely brass and probably had a gold wash at one point. Date of manufacture most likely 1880 to 1920. Diameter is 2.5 inches and the height 7/8 inches. The item "Vintage Large SPIDER Figural Pin Brooch Bug Insect Gold Tone red Body Bakelite" is in sale since Wednesday, November 17, 2021. This item is in the category "Jewelry & Watches\Vintage & Antique Jewelry\Brooches & Pins". The seller is "justharlan" and is located in Iowa City, Iowa. This item can be shipped to United States.