In the world of fine shotguns, a Best-quality double is just that: The very best side-by-side or over-under a company could make (or in some cases, the best one they retailed). Best guns were top-of-the-line, and top gunmakers made their best guns in special ways. This was called the “House Style”, and it was applied to the entire gun, from the engraving pattern and the shaping to the action, metalwork, and stock.
The side-by-sides you see here are Best-guns by Boss & Co. and James Woodward & Sons. The Boss is 12g made the later 1920s. The Woodward is a 16g. I think it’s from the 1930s. Even though these doubles have a lot in common, they are very different guns. Look closely and you’ll see what sets them apart.