Hi guys I was just wondering why do my 100 PLN banknotes look slightly different, are they different series and are both still valid?

by tipek900000

6 comments
  1. The one on the right is from the original 1994 issue, the one on the left is from a 2018 reissue with upgraded anti-counterfeiting features. Both are legal tender.

  2. Never seen bank notes getting updated/upgraded from time to time?

  3. Same thing happened to $100 dollar bill it’s just upgraded with security features

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