Quote:
Weighing in at 56%, we have a gulden or 28 stüber issue of Oldenburg:
Welcome @paralyse, glad to see you here! I knew if you showed up we would fill in some gaps.
As luck would have it, I just discovered that one of my recent Poland pickups, the 2 zlote coin of the 1831 November Uprising is 59% (which comes out to 9 1/2 / 16ths if you do the math):


Our updated 50% slice now looks like this, with seven compositions covered:
59% Poland 2 zlote KM#C-123 (tdziemia)
58% Dutch Republic/Holland, 2 stuivers, KM#48 (spence)
.......Hungary, 20 krajcar, KM#432 (paralyse)
.......Spanish Netherlands/Brabant escalin KM#47 (tdziemia)
57% Nethelands 5 cents KM#52 (BCTokens)
56% German States/Prussia 1/6 thaler KM#299 (spence)
.......German States/Oldenburg 28 stubuer KM#40(Jever) (paralyse)
54% Poland 4 groszy 1767 KM#185 (tdziemia); KM has this at 55%
51% Poland 4 groschen 1787 KM#208.1 (tdziemia); KM has at 55%
50% Australia florin 1958 KM#60 (triggersmob)
........Canada 25 cents KM#62a, 68a (DBM)
........Egypt 2 quirsh 1944 KM#369 (Hondo Boguss)
........France 10 euros 2011 (NumisRob)
........German States/Bavaria 20 kreuzer KM#549.1(paralyse)
........Great Britain florin KM#817a, crown KM#836 (NumisRob)
........Great Britain halfcrown KM#818.2 (paralyse)
........Great Britain 3p KM#848, 6p & shilling KM#852, 853 (Hondo Boguss)
........India ½ rupee 1945 KM#552 (Hondo Boguss)
........New Zealand ½ Crown 1935 KM#5 (Hondo Boguss)
........Peru 1 sol 1931 KM#218.2 (Hondo Boguss)
........Poland 1 gulden 1664 KM#120 (tdziemia)
........Portugal 1000 escudos KM#731, 10 euros 2010 (hfjacinto)
........Russia 10 kopeks (paralyse)
........USSR 10, 15, 20 kopeks KM#Y80-82 (january1may)
Also noted that the 1/6 talara coin of the Duchy of Warsaw, KM#C85 under Poland is 53%.