Small disc with a square - found stuck to a penny while counting the till. Adhesive back, red circle with a white square that had shifted.2yr ⋅ squirrelslife ⋅ r/whatisthisthing
Have found these “lucky buttons” around Lake Michigan in Saugatuck before. What is the scientific name? What fossil are they?6yr ⋅ squirrelslife ⋅ r/Michigan
