This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Marie Curie Signature Polish. en Signature of Marie CurieSkodowska in Polish from family archive scanned from original letter to my grandfather from family archive Marie Curie PDold Signatures of Marie Curie Signatures of physicists Curie Marie
Page 2023 Free-images.com. All images are Public Domain