This work is in the public domain in the United States because it meets three requirements:
it was first published outside the United States (and not published in the U.S. within 30 days),
it was first published before 1 March 1989 without copyright notice or before 1964 without copyright renewal or before the source country established copyright relations with the United States,
it was in the public domain in its home country on the URAA date (January 1, 1996 for most countries).
Size limitations on the reproduction of banknote images are determined by the Czech National Bank (CNB), established in 1993. The CNB was preceded by the State Bank of Czechoslovakia (1950–92), the National Bank of Czechoslovakia (1926–50), and the Banking Office of the Ministry of Finance (1919–26). The present image is of an obsolete banknote issued by the National Bank of Czechoslovakia (1926–50), and therefore the size restrictions for notes issued by the CNB do not apply.