2012 AD., Poland, Democratic Republic, Warsaw mint, 1 Grosz, KM Y 276.

Poland, Democratic Republic, engravers: E. Tyc-Karpinska (obverse), St. Watróbska-Frindt (reverse), Warsaw mint, 2012 AD.,
1 Grosz (ø 15,5 mm / 1,64 g), manganic brass, 1,64 g. theor. mint weight, mintage 365.000.000 , medal alignment ↑↑ (0°), reeded edge,
Obv.: RZECZPOSPOLITA POLSKA / 2012 , arms of Poland (the crowned white eagle, wings spread) surrounded with inscription translated "Republic of Poland" and year below; mint mark of the Warsaw mint: {mW} -monogram near the eagle's r. claw.
Rev.: 1 GROSZ , value and denomination beneath oak leaf hanging from twig.
Y 276 ; Parchimowicz 701 .

Year / Mint Mark / Mintage
1990 MW 29,140,000
1991 MW 79,000,000
1992 MW 362,000,000
1993 MW 80,780,000
1995 MW 102,280,109
1997 MW 103,080,002
1998 MW 257,640,003
1999 MW 203,970,000
2000 MW 210,100,000
2001 MW 210,000,000
2002 MW 240,000,000
2003 MW 250,000,000
2004 MW 300,000,000
2005 MW 375,000,000
2006 MW 184,000,000
2007 MW 330,000,000
2008 MW 316,000,000
2009 MW 338,000,000
2010 MW 150,000,000
2011 MW 270,000,000
2012 MW 365.000.000
2013 MW 323,000,000
2014 MW