How much are old (1950s-60s) Popular Science and Popular Mechanics Magazines worth?

Ranging from poor to good condition. My grandafather had a complete set of both magazines (1950ish to 2000), which my aunt sold at a garage sale. They belonged to my grandfather, who was now deceased. I think she sold 7 boxes of them for something like $300. I think my grandfather (who collected unique antiques) would have been spinning in his grave.



Something tells me that the guy who bought them got a steal of a deal.



Any idea what they would be worth? The ones I have (about 1 box) are from the 50s-60s.



Thanks! :)How much are old (1950s-60s) Popular Science and Popular Mechanics Magazines worth?
I think she did well.

Google "antique magazines" or look on EBay to see what magazines are going for. Unless they are a unique print, or a one-of-a-kind or in "mint condition" and say, the very first one with only a few known in print (like the first edition of say a comic book) old magazines typically are not worth a whole lot.