What do I have?

[David]

Originally Posted by BBJW

Nobody cares to be serious here? Terrific.

bbjw

Actually, aside from some opening kidding you have indeed had a couple of serious answers, though i believe one was incorrect and suggested as much.
So far the Yogyakarta dress part is correct, and the sheath is Ladrang, which is the formal dress.
The gandik does seem a tad on the long size so Rick may well be correct to call this dhapur kebo lajer, though it doesn't seem as overtly long as many kebo keris i have seen.
The blade is out of stain so it is hard to name the pamor based on these photos, but it could be a standard "scattered rice" (wos wutah) pattern. Looks like average village work to me.
Maybe if you made you questions more specific you would receive more specific answers.
Better, closer images might tell more. What exactly do you want to know?