Banknotes Netherlands - 10 Gulden 1921 Arbeid & Welvaart SPECIMEN (Mev. 38 / AV 27S / PL34.s1.b / P. 35s) with perforations "INGETROKKEN" (withdrawn) and "34 5 68", printed serie AA 12345 and AA 67890 and 34 Mei 1968, no sign. - PMG About UNC 55 - RRR - extremely rare