it's a fiddle so it's to old for the standard singer handcrank, those need a cast in mount. you'd be very lucky to ever find just the crank for that old of a singer.
I've stopped replacing bad veneer because of availability and the price. Now all the bad wood get glued back in place, sanded smooth with a very heavy finish of lacquer, Then sanded to whatever shine I feel like it wants.
The finished product looks fabulous, you see all the old splintered wood it look like ragged edges, running you hand over the wood it's as smooth as can be , along with missing design work, it looks 100+ yrs old yet looks like new. I have a VS 1 but with less decal left. no top and only one drawer. this one was also missing the same piece of that hinge as yours. I made that piece. Thats another long story, alot of welding a filing