Coral Fossil!

The object in the image appears to be a fossilized coral, likely a type of tabulate or rugose coral. These corals are characterized by their porous, honeycomb-like structure, which is visible in the fossil you’ve shown. The small, tube-like structures (corallites) are where the coral polyps lived, and the overall appearance suggests it could be from the Paleozoic era, possibly from the Devonian or Silurian period when such corals were common.
Tabulate corals, for example, often have a structure with horizontal partitions (tabulae) and a honeycomb pattern, which matches the texture in the image. Rugose corals, also known as horn corals, can sometimes have a similar porous appearance, though they often have more distinct septa (radial partitions). The pinkish and beige coloration is typical of fossilized corals, where minerals have replaced the original organic material over millions of years.