On a US Postage stamp.
On US postage stamps, and currency whether paper or coins.
A living person.
You don't - and can't, unless they tell you.
A portrait is the likeness of a person. A landscape is a landscape. You cannot have a landscape portrait.
A portrait in memory of a person who deserves to be remembered.
A portrait is a drawing photo painting or stature of a person and a self - portrait is a drawing photo paiting or stature of the person who is painting or drawinf the photo
No mater who is in the portrait it called A Portraiture or Portrait of God. It is but a representaion of that person.
PORTRAIT OF WORDS MEANS THE ATTITUDE OR CHARACTER OF A PERSON IN WHICH HE/SHE IS LIVING.BASICAALY MEANS THE SKETCH OF A PERSON
A picture of a person.
A portrait.
In general, the only limitation is that no living person can appear on a US coin. Other than that, the image can be that of an actual person such as the current "presidential" series of coins, a symbolic interpretation of a real person (e.g. Sacajawea, a stylized image because no contemporary pictures of here were ever made), iconic images such as Miss Liberty, or designs like the shields on 19th-century 2-cent coins and shield nickels. On very rare occasions Congress has given its approval to placing the portrait of a living person on a commemorative coin, but almost always as part of a special program such as a fund-raising effort.
An Equestrian portrait would be either a portrait of a horse, a jockey or other person riding a horse, or a rider ON a horse.
A portrait is a word for a picture of a person.