At times milk was made use of to create a luster impact on the glass. They eventually have been called Kakamba Prosser beads, named following the city in the Republic of Congo the place they were being traded. Prosser beads began to fall out of favor in the early 1900’s https://glassbeads30740.collectblogs.com/76541612/not-known-details-about-glittering-aqua-butterfly-pendant