Look closely at Andrew Jackson’s portrait. On a real twenty, his face has fine, detailed lines and a lifelike expression. His eyes are clear, his hair has texture, and he looks like he’s about to give you a stern lecture about fiscal responsibility.
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On a fake, the portrait is often flat, dull, or has weird smudges. Sometimes the eyes are poorly aligned, or the face looks like a blurry photocopy. If Jackson looks like he just rolled out of bed, be suspicious.
Real presidents have good skin and steady eyebrows.
