Banknotes Netherlands - 1 Gulden 1949 Juliana (PL7.p1 / Mev. 07-1a / AV 7.1) - # 8YY 053707 - PROEFSERIE / TESTSERIE in circulation, possibly only in Rotterdam and Amsterdam for testing paper like the 25 Gulden 1949 Salomo 7 YY series - this serie 8 YY is outside the regular series 1-6 -slight discoloration - a.VF - / RRR / extremely rare and only sold once by before