"This is actually called an "abattant" this may help you with your search."
True. Usually, in the U.S. at least, you'll see them referred to as a "Secretaire Abattant."
I think Mart's last sentence pretty much sums it up. 1940s, pine, refinished. It's worth maybe.....$500? Depending on where you are, or course. Maybe more, maybe less.
All the give and take on this one has been very educational.
An attractive piece!