Bidspirit auction | Marble King Vintage Rainbow Marbles

Marble King Vintage Rainbow Marbles Cobalt Blue and White Patch Mid-20th Century - This collection features five machine-made glass marbles attributed to the Marble King Rainbow series. Produced during the mid-20th century, these specimens showcase the manufacturer's classic swirling patch pattern, featuring a vibrant cobalt blue glass contrasted against an opaque white base. Marble King, founded in 1949, became one of the most prolific American marble manufacturers, and the Rainbow line remains a staple for collectors of vintage glass toys. Measurements: Approximately 0.550 inches to 0.615 inches in diameter. The marbles are in good vintage condition, exhibiting characteristics consistent with age and previous play. Visual inspection reveals minor surface pitting, light scuffs, and small impact marks commonly referred to as flea bites. The glass retains a bright luster, and there are no large chips or structural fractures present.