1965 copper quarter

I have a 1965 quarter, it's copper, both sides are complete. It s the same size as a quarter in circumference, just thinner and wieghs the exact same as a penny....is it rare?

 

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Can't help unless you post a photo of both sides.
The odds are that it has environmental damage.
Weight would also be a factor.

 

X2

 

25c - it's environmental damage (likely been in the ground for a while).

 

It is not possible to answer your question without a photo and the weight of the coin to 2 decimals in grams. Knowing the thickness to 2 decimals in mm. Would also be helpful.

 

Sorry I'm new at yhis

 

Photos in focus and cropped are better. Weight and thickness would be helpful.

At this point I am thinking environmental discoloration, however.

Also possible is treated with acid.

I can't say more now without more information.

 

Expected for a clad quarter:
5.670 g +/- 0.227 g

It would also be helpful if you told us the date. My old eyes cannot see it in your photos.

 

Cropped (so no background shows), in focus, photos would be helpful. Can you say the date?

 

I will let you know when I sell it

 

2.58 grams is extremely lite.
Half the weight it should be.

 

Correct! I responded incorrectly earlier! Sorry! I have since edited that response. The weight of a copper core should be around 3.75g. It does not have the appearance of a copper core. I am now thinking it has been treated with acid or spent some time in a swimming pool.

http://www.error-ref.com/acid-shrunk-coins/

 

I agree completely I was to lazy to figure the weight of the copper core.
Treated with acid is also my thought.

 

Based on the OP’s parting comment, I anticipate this quarter will be on EBay or Etsy before the day is out.

 

If you see it, please share the link

 

It's damaged.

 

It wieghs the exact amount as a penny does, I am fairly confident that it is a mint error, a penny "slug" was mistakenly stamped in the quarter striking process

 

2.57 is the weight for post 1982 cent planchet's that were zinc your coin is a 1965 and at that time Lincoln cent plachet's were copper and weighed 3.11 grams so therefore not possible. Google search quarter on cent planchet you'll see that your coin is not and is environmentally damaged.