The Czechoslovakia 500 Korun Banknote was issued by the Czechoslovak State Bank in 1973 with the prefix U. The banknote has a color combination of tan, brown, orange, blue, red, yellow, and purple. The obverse features the coat of arms of socialist Czechoslovakia with the Soviet star above a rampant double-tailed lion and the Soviet Slovak shield. It also features two Russian soldiers carrying PPSh-41 submachine guns, a castle on a hill, and armed Slovak partisans. The reverse depicts a Medieval shield and the ruins of the Devin Castle. The banknote does not contain a security thread but bears a watermark that reflects a stars and linden leaves pattern. It is 154 x 68 mm in size. This particular banknote is in uncirculated condition and has been TAP authenticated with a grade of 60 to 70.