Copperplate print still life 3-piece set, for those who like buffets, etching/lithograph

Set of 3 still life paintings with black frames (frames are wooden with glass surfaces).

Frame size:
29.5 cm x 35.5 cm
Artwork size:
Approximately 14 cm x 19 cm

Details are unknown.
The style is reminiscent of Buffet's works.
Each piece has an edition number and signature.
Please judge from the images.

There are some stains on the matting.
Please understand.
There are no other noticeable scratches or dirt, and they are kept in their original box. (Image 11)