The highest score in PL, only 2 pieces with such a high score. Oldest known 20 gold coin with PROOFLIKE effect. Huge rarity, a coin with a mirror like in SLR cameras instead of the typical glossy background. A select piece, superbly struck and preserved with PROOFLIKE effect and intact details. We have had a coin of this type on offer only once, in the lower note MS65 PL at 16 auctions (7,590 PLN
https://onebid.pl/pl/monety-rrr-20-zlotych-1975-rok-kobiet-prooflike-jedyne-pierwszy-raz-na-onebid/750119). Now the highest note is already Note MS66 PL, and there are only two pieces, one offered at this auction, the other was sold at the 9th SNMW auction (3,776 PLN
https://onebid.pl/pl/monety-20-zlotych-1975-rok-kobiet-ngc-ms66-proof-like-jak-lustrzanka/1131246 ). The great rarity of this piece is that the coin was additionally struck in a 45 degree twist reverse relative to the obverse. A coin for the best collections.
