1990 Solidarity 100,000 Zloty Silver Proof Coin, in Gem Proof. A genuinely rare and historic Polish coin. Y-196.1, 31.1000g, 0.9990 Silver, 1.000 Oz, The 10th Anniversary of Solidarity, the movement that helped spark the downfall and destruction of the iron curtain of communism in Poland and the rest of Europe and eventually in the USSR itself.

This is an incredibly neat set of these rare and historic Polish Solidarity Proof coins. Two consecutively serial numbered NGC graded coins, one Proof 64 Ultra Cameo and it's mate in Proof 65 Ultra Cameo. Both display deep watery fields and a black and white deep cameo contrast.

The NGC census shows only 7 coins in ALL GRADES as of 11-12-2007 including these two and PCGS shows none graded. Includes original cardboard mailer of issue from the Polish Mint.

In its population report, as of January 2012, NGC shows 15 certified at PF64 UCAM and 11 at PF65 UCAM with 19 better.