Mantelgeschosse bullets with pictures

I acquired an assortment of boxes of these bullets, and I was wondering if they would be worth more to a collector or a reloader? No idea if they are very old. I am guessing the second number in 6.5-30 is the length in mm.
IMG_5941 IMG_5942

Any info would be appreciated.



Photos could be a big help in trying to answer your question.


Thank you for the reminder about photos. I forgot