Scored a box of glassware at an estate sale and this spiked glass lump was inside. It’s super heavy and the points are actually sharp. Is it a paperweight? What is this thing?

the authenticity and condition of items before purchasing.
To learn more about their history, visiting museums with decorative arts collections or reading books on the history of floral arranging can provide valuable insights. Joining forums or groups dedicated to vintage home goods can also be a great way to connect with other enthusiasts and expand your knowledge.