This is a very nice puzzle  by James Hamilton Ltd, belonging to their Bird Close-up series. The title is Cock Pheasant, by Terance James Bond.
The puzzle is COMPLETE (504 pieces). The pieces are in excellent condition. The box is in very good condition.
JH has published a lot of puzzles with artwork depicting different flora and fauna. An example is the 1000 piece version of Heathland and Moorland, by François Crozat.
More information about Cock Pheasant:
- Puzzle size: 51 x 35 cm, 20″ x 13 3/4″.
- Box size: 35.3 x 25 x 4.2 cm.
- Reference number: CP1/0554.
- EAN number: 5014519050154.
- Other titles: De Fazanthaan; Fasanenmännchen; Fagiano Maschio; Faisán Macho; Coq Faisan de Colchide.