Imperial seal

Black and white photo of a stone sculpture, titled "Imperial seal" by artist. Rectangular stone base with rough texture and visible cracks; base has a semicircular cutout on top. Semicircular stone piece on top of base, rounded top with textured surface; resembles a dome or arch. Hole in center of semicircular piece, creating tunnel-like effect. Base and sculpture appear to be made of same stone material. Background is plain wall. Sculpture sitting on flat surface.