First post... Marble ages?

[Kimber1985]

Hello everyone, this is my first post but I've been reading on here for awhile, finally decided to join. Here are just a few marbles I've found detecting. Just curious on age. Coins in pic for size. Thank you for your time.

 

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[cheese]

Hello, welcome!

The white cateye is American made, probably 1960s. The next two are clearies, could be anywhere from the 1930s to modern, no real way to tell. The blue one is a game marble, same issues with dating. The last one is a Japanese cateye, probably 1970s or so. Good luck finding more!

 

[Kimber1985]

Thank you very much ��

 

[Professor of Engineering]

Very nice marble finds, congrats! They look around 50 years old+/-