50 euro note euro banknote is about four years before it is replaced due to wear. It is the fourth smallest note, measuring 140 mm × 77 mm, and has an orange colour scheme. The note depicts bridges and arches/doorways in the Renaissance era (15th and 16th centuries). The €50 note contains several complex security features such as watermarks, invisible ink, holograms and microprinting that document its authenticity. The full design of the Europa series €50 banknote was revealed on 5 July 2016. The new 50 note was released on 4 April 2017. The euro was founded on 1 January 1999, when it
100 krooni used for withdrawals or cashing checks. It can be exchanged indefinitely at the currency museum of Eesti Pank for €6.39. Source: 100 krooni The 100 krooni banknote (100 EEK) is a denomination of the Estonian kroon, the former currency of Estonia. Lydia Koidula (1843–1886), who was an Estonian poet and playwright, is featured on the front side of the banknote, which is why the 100 krooni banknote is often called a ""Koidula"". A view of the north Estonian limestone shore is featured on the reverse side of the banknote. Before the replacement of the kroon by the euro, the 100