Need Help With An Old Collection That I Found

Hi all
I'm not a stamp collector and I don't know much in this field.
Yesterday I cleaned my late grandfather attic and found a collection that was belonged to my father when he was young.
My late grandfather travel all over the world so the collection have stamps from all over the world.
I did some research and I saw that a lot of them worth between 4$-10$ but I didn't found info on a lot of other stamps in this collection.

So..
If you can look and tell me if there is something really valuable in this collection it will be great.

Thanks in ahead

I've attached the pictures, if you need clearer pictures or more info please tell me.

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Hello and Welcome to SCF! I took a quick look at your pictures and although I'm not a World Wide stamp collector (Mainly US and German and Lithuania) I see that the vast majority of what you have shown here look to all pretty common so not much resale value but there is a new hobby looming over your head however and collecting is far more valuable than any monetary figure in my opinion and I don't think I'm alone on that thinking here? lol
Look forward to seeing more of your Grandfathers' collection and hard work that he put into it. Very neat item to remember him by. I bet he was a fascinating fellow! -Jeff

This is exactly the kind of collection you would expect a beginning stamp collector to have. Lots of fun stamps, but not alot of money invested.

Pretty common cheap stuff. Worth mainly pennies each one... Don't expect to get much from it...
Still interesting for a beginer, nothing else.