BELGIAN CONGO, Heaton vs. Brussels, click here for explanation
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BELGIUM, GHENT, thin & thick "50" varieties.
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COLOMBIA, 5 centavos 1886
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COLOMBIA, pretty obvious, I'd say.  5 centavos.  Large date:small date find ratio from my experience is about 1:80.
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GERMANY, FEDERAL REPUBLIC, 10 pfennig K103 1949-J large and small J varieties.
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GREAT BRITAIN, farthing, 1879 small (left) and large (right) 9 K753.
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ICELAND, 25 aurar 1937  near 7,  K2.1 near (left) and far (right) dates.  Far 7 is ~0.5mm from 3, near is ~0.1mm.
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ISRAEL, 1/2 lira K36.1 1963 small & large animals.
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CUBA, INTUR, tourist coinage, 1981, on left is KM # 412.1, on right is #412.2.
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MEXICO, 1 centavo 1900-M, small or narrow date (top) & large or wide date (bottom)
 
 
 
 
 
 
 
 

MEXICO, 1 centavo 1906 small or narrow date (top) & large or wide date (bottom)
 
 
 
 
 
 
 

MEXICO, 5 centavos K422 1928 large date and small date varieties.  Probably should call these thick and thin?
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Check out these varieties.
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MEXICO, 5 pesos K472 1976.  Left to right: small date 6x2mm, 2mm from shoulder, then small date 6x2mm, 1mm from shoulder, slight incline to right, then large date 7x2.5mm.  Supposedly the middle one is rare.
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RUSSIA, 1 ruble 1913 Romanov tercentenary Y70.  I don't remember if the low relief variety came first or second.  Someone remind me please?
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PAPAL, 1 soldo, 1867-R.  Left to right the dates get progressively larger.  There is no star to right of date in center specimen.  All 3 portraits are different.  Call them whatever you want.
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