Like B547a, but new signature (Hoefdraad), new date (1 APRIL 2012; vertical in green), and new printer imprint (Giesecke & Devrient).
Courtesy of Hartmut Fraunhoffer (Banknote-Online).
2016-10-05
Suriname new sig/date (01.04.2012) 20-dollar note (B547b) confirmed
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