Is this a Melon knife?

[jackeroo]

I recently was given a folding knife that is 10" when open and 5" when closed. The Blade is long and thin/narrow (3/8" X 5" X 3/16) and very minimally serrated. It does not lock in any position. Thanks

 

[SShepherd]

I recently was given a folding knife that is 10" when open and 5" when closed. The Blade is long and thin/narrow (3/8" X 5" X 3/16) and very minimally serrated. It does not lock in any position. Thanks

sounds very similar to a "fruit knife". A pic would be very helpful.

whats the handle look like?

does it look like this ?
Folding fillet melon knife

or this?
A.G. Russell Knives | A. G. Russell Fruit Testing Knife