need help to know if these are worth anything

I am trying to research to find if these razors are worth anything. There are 3. The first is a Maher & Grosh (Toledo Ohio) with a white handle (ivory/bone???). Second is a Seneca Knife Little Valley NY with a white handle (ivory/bone???). The third is a Houdma German made knife with a black handle. All appear quite old and have the original boxes. They are all folding knives with rounded tip. (Maher & Grosh one has a chip on the tip). I have had no luck with Google. Any suggestions where I can go to find out information on these? Thanks..

Welcome to SRP Patty. We don't do appraisals on SRP. It is against our policy for a variety of reasons. If you give ebay a look check those names under completed items in the straight razors section that will give you something to go with.

Ok - that makes sense once I think about it. So, does anyone know where I can find the information? I found nada on Ebay. I google the companies and come up with nothing also. If I find the company information, I may be able to date them. Any references for informational websites or publications?

You don't need to do such a specific search with those.
The first two are American made. It's quite likely bone rather than ivory, though I may be wrong. Look at blades that are American made, with bone handles. Look at razors with the same shape blade, same condition. Yours are likely to reach similar prices.
Third one, do the same with German manufactured blades. It's the prices that are ordinary, rather then extraordinary you need, as none of those blades are made by manufacturers currently fetching abnormally high prices due to a largely unjustified fad.
Good luck.

Perhaps the third one is not chipped. Many have a notch in the end.

I have seen some here that have been refirbished and made to shave that get a good price.

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