I will assume you've already drawn and shot a recurve that pulls 50 pounds at your draw length and you're comfy with it. If you haven't, then that's the first thing you need to do before buying a bow. Shoot several draw weights and find what feels best to you. It's critical to not get overbowed and, in fact, it's best to shoot a bow that's slightly under your strength. I've found it's also good to have a bow on hand that challenges your strength. Shooting a few arrows from it each week keeps your regular shootin' bow easy to handle.
Most factory recurves are rated at 28", and you should figure 2-3 pounds per inch above or below 28". So - you want a bow to draw 50 @ 24, then you need to be looking at bows in the 60 @ 28 range. I'd also suggest keeping the bow length under 60" for best performance at your rather short draw length. There are MANY vintage bows out there on Ebay that will meet your criteria. Look especially for Shakespeare Necedah or Sierra. Good bows and usually fairly inexpensive. Also look at Grizzly and Kodiak Magnum models from Bear. They're generally a bit more pricey because of the name.
Or, you can go to
www.recurves.com and look at the Falcon and Atilla models by Chek-Mate. Get one made just like you want it for less than you can buy a Martin or Bear recurve off the rack, and not much more than you'd have to spend for a low end Korean import.