This uncirculated 10 Croatian dinar banknote was issued in 1991 by the Republic of Croatia. It was designed by Zlatko Jakus and bore the signature of Finance Minister Jozo Martinovic. It is reddish-brown in color and 105 mm by 55 mm in size. Its obverse side honors the mathematician and physicist Ruder Boskovic, his geometric calculations, and the coat of arms of Croatia. Its reverse side is vertically-oriented and features the Zagreb Cathedral in Kaptol. Though the note does not have a security thread, it has a radar serial number and an hourglass pattern watermark. The details of this note have been verified and TAP Authenticated by Banknote World experts.