sentences:  The oldest source confirming the coat-of-arms as an official symbol is a genealogy of the Habsburgs dating during 1512–18.In 1525 it was used on a votive medal.The oldest known example of the "šahovnica" (chessboard in Croatian) in Croatia is to be found on the wings of four falcons on a baptismal font donated by king Peter Krešimir IV of Croatia (1058–1074) to the Archbishop of Split.