classical portrait 3d model

portrait of an older bearded man with a high receding hairline and thin short brown hair at the sides, slightly sunken temples, calm and introspective expression, eyes looking sideways, head turned in three-quarter profile, wearing a dark high-collared garment with a gold chain, medium-length beard that is thin and uneven, lighter brown beard with subtle gray tones, mustache connected to the beard, warm muted skin tones, subdued lighting, warm brown textured background, classical oil painting style