Bird lithographs

Collection of lithographs XIX th framed with fish glue frame in elm magnifying glass; 4 sizes for a harmonious picture railing 2 large 36.5x29 cm, 8 medium 31x23 cm, 6 medium 32x25 cm, 2 small 18 x24 cm + 1 set of cables. Collection found by my father at antique dealers over the years. Long exhibited in the family dining room, times are changing... A frame with the interior frame a little screwed. Two cards with a small halo.