A vintage-style sign with a yellow background and black text, featuring a gold-colored rivet at the top. The sign reads 'PREPAYMENT FAN MOTOR' and includes various instructions and warnings related to the operation and maintenance of the fan motor. The text is dense and includes phrases such as 'TO OPERATE RIGHT', 'TURN KNOB IN RIGHT DIRECTION', and 'FAN OPERATES ON 110 VOLTS'. The sign also has a 'PROPERTY OF ELECTRIC FAN MOTORS CO.' statement at the bottom.