This is an old little gem by F.X. Schmid. The title is The Battle of Trafalgar, by William E. D. Stuart and it is a puzzle that is very rarely seen. You can admire the original painting at the Foundling Museum, in London.
This puzzle is COMPLETE (1504 pieces; 47 x 32). The pieces and the box are in excellent condition.
If you want to find current puzzles, visit Tu Puzzle. You can add to your order any puzzle that you find there.