Empire Antique or Vintage Image Frame from 1900 Art Nouveau with Signed Etching

  

Signed below unknown to me
Subject: stucco on wood
Age: around 1900
Technique: Engraving framed under glass
Condition: the engraving has numerous water stains, the frame shows signs of age and chips, see photos
Folded dimensions: 29.7 x 36.2 cm
Outer dimensions: 33.5 x 40.0 cm
Frame width: 2.5 cm
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