The phrase "a common portrait" is correct and usable in written English.
It can be used to describe a widely recognized or typical representation of something, often in the context of art, literature, or social commentary.
Example: "The artist's latest work is a common portrait of urban life, capturing the struggles and joys of city dwellers."
Alternatives: "a typical depiction" or "a familiar image".
The leaders came from reasonably well-off families, though several interviewed said a common portrait of them as privileged children of the rich was a caricature.
As the science writer Richard Ellis demonstrates in his 1998 book, "The Search for the Giant Squid," from these disparate accounts emerged a common portrait of a singular beast: a huge sea creature, with fearsome appendages — arms or horns or feet or legs or tails — that jutted out of its head.
Bangkok Days is a refreshing diversion from the common portrait of the city's licentious reputation.
One common portrait of the difference between the Chinese and Western traditions posits a radical incommensurability on the very nature of philosophical inquiry.
Inventors in U.S. history have tended to be highly educated, in contrast to the common portrait of the uneducated amateur.
Fassbinder's immersive epic is a mammoth portrait of a common man struggling to survive in a viciously uncommon time.
Ms. Zendel's film succeeds in creating a convincing portrait of a common show business type, the insecure assistant (or publicist or script reader) who surrenders everything to an abusive but charismatic boss (also a common show business type).
Though he primarily photographs fashion, his still lifes, architectural images, and portraits share a common spirit which he describes as "strong, simple, powerful graphics with a slight twist of oddness, not excluding humor".
It consists of a series of portraits, each linked to the next by a common relative.
In several "self-portrait" poems the lyric "I" emerges as if translated into a common yet foreign language.
His prints have similar subjects to his paintings, although the twenty-seven self-portraits are relatively more common, and portraits of other people less so.
