Framed Hippopotamus Line Art Drawing Pink Mat Silver Frame

Framed minimalist line art drawing of a hippopotamus rendered in ink on paper, matted in pink and set in a silver-tone metal frame with a hanging wire on the back. The frame measures approximately 8 inches along the shorter dimension, making it a compact, ready-to-hang piece suited for a gallery wall or shelf. Artist and date of production are unknown; the back is marked '9/6.' Condition is good with no noted damage to the art itself; please review photos for any cosmetic wear to the frame.