How much are old national geographic magazines worth?

My mom acquired a ton of old reader's digest and national geographic magazines. The reader's digests are in yearly bound volumes and are from the 1930s. The national geographic are from the 1920s of complete yearly sets. She has a couple of those. All...

My brother brought home a REALLY old NG magazine from school that its from 1968. It included an article that my aunt wanted and well she wanted the whole magazine. I was wondering, How can i buy the exact same issue? The Volume is 133, Number is 3, and...

I have two full sets of National Geographic magazines from July-December of 1991 and July to December of 1999. I can't keep them anymore because they take up a lot of space. They are in excellent condition. How much could I sell them for on Craigslist...

My grandpa passed away recently and he left me a chest and I just opened it up for the first time yesterday and there were a ton of old newspapers and National Geographic Magazines dating back to the early 30's. Some of the news papers were reporting...

i have quite a handful of old documents. some old wrestling magazines, war letters from ww2. i also have old newspaper articles and such. i just dont know where to find out if they are worth any money

I recently cleared out my grandads loft and want to find out how much some of the old magazines he has are worth, where can i find out?

I have about 4 playboy magazines. 2 from the 1960's and 2 from the 1970's... how much would they go for??? Found them in the garage and figured they be worth something, ya know? They're in GREAT condition too, I am suprised. None of the pages are torn...

My mom has recently gotten my grandpas old collection of about 30 playboy magazines that are mostly in decent shape and has given me the dates and asked me too look up the prices. Here's the ones we know we have: May 1965, November 1966, February 19...

I just want to know if they are worth money to keep or just throw away. They do have alot of history knowledge and I didn't know if I should keep them or trash them.