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?

in diameter and weighing upwards of 2 pounds. Its surface bristles with sharp, pointed protrusions that catch the light and the touch, making it both visually striking and somewhat hazardous to handle. The points are arranged in a seemingly random pattern, adding an element of chaos to its appearance.
At first glance, it might resemble an abstract piece of art or an oversized, impractical paperweight. However, the reality of this object’s purpose is both more practical and historical, tied to the delicate art of arranging flowers.
2. Why This Heavy, Sharp Glass Piece Isn’t Just A Paperweight
While the weight and solidity of this glass piece could suggest its use as a paperweight, its design betrays a more specialized function. The sharp spikes are not merely decorative but serve a purpose that transcends the practicalities of keeping papers in place. Such features would be excessive for a typical paperweight, indicating