Darkwolf- My experience is that most player-crafted goods are devalued by villagers. Overall, I suppose that arrows are the more valued craftable trade items. I am not including furs as crafted items.
I don't really understand what village values are based upon. Yesterday, I found an item I've never seen before, a Masterwork Javelin. They traded it to me for 4 pounds of a partially-eaten cooked pike. I would have thought it was worth much more for the quality of it. They'll trade me a cord for a piece of dried meat, a snare for 4 or 5 decent javelins. A spear costs, roughly, a bear fur. I've traded for a Masterwork staff for a mere two pieces of dried meat!
I guess, basically, if it is made with metal, it is highly valued, the more metal, the greater the value. Quality adds, again, to the value. If it is made of wood, fur, or leather, even if the quality is high, it is much less costly to trade for.
Overall, I've found it easiest to trade dried/smoked meat for most things. If you have several hundred cuts ALL clothing items are tradable, pretty much all animals, and many weapons can be had. The most expensive items to acquire, I think, are metal/lamellar armors, especially Masterwork quality, and any Masterwork quality weapon EXCEPT bows, which are strangely undervalued.