1990 AD., Netherlands, Beatrix, Medallic Coinage, Geert Groote commemorative, Utrecht mint, 10 Ecu, KM X 27.1.

Netherlands, Beatrix, Medallic Coinage, Ecu Series, 650th Anniversary – Geert Groote commemorative, engraver: Willem Vis (rev.), Utrecht mint, 1990 AD.,
10 Ecu (ø 38 mm / 22,83 g), copper-nickel-zinc, mintage 25.000 , axis coin alignment ↑↓ (180°), reeded edge,
Obv.: DE NEDЄR - LANDEN / 10 / ECU / 19 - 90 , large "ECU", medieval sailor ship at center, 12 stars in ribbon border; just below sail, two privy marks flanking: bow (left) and winged caduceus (right).
Rev.: HÆCARMA / STRENUITAS / SEVERITAS / BENIGNITAS / GERARD ZERBOLT VAN ZUTPHEN / GEERT GROOTE , ("A person can cope with difficulties through entrepreneurship, serious consideration of business & goodwill towards others / GERARD ZERBOLT VAN ZUTPHEN / GEERT GROOTE"), Geert Groote seated right, holding book, engraver´s mark, a small incuse fish containing a W to left.
KM X 27.1 .

Year / Mint Mark / Mintage
1990 / caduceus / 25.000 X 27.1; Edge Reeded
1990 / caduceus / ? X 27.2; Edge Plain
1990 1.447 x27.1a silver proof issue
1991 53 x27.1a silver proof issue

Geert Groote or Gerard Groote (October 1340 – 20 August 1384), otherwise Gerrit or Gerhard Groet, in Latin Gerardus Magnus, was a Dutch Roman Catholic deacon, who was a popular preacher and the founder of the Brethren of the Common Life. He was a key figure in the Devotio Moderna movement.

More on https://en.wikipedia.org/wiki/Geert_Groote