[Baseballguy]

Only if they find other coins at the dig.
I would not carry just 1976 quarters in my pocket in 2013.

[wideawake]

Only if they find other coins at the dig.

Almost half the coins were Dutch East India Company minted coins.

Which would be consistent with European travelers doing business in Java or Malaysia.

[wideawake]

Also, coinage was not recycled as quickly then as it was now.

In 1775, 100+ year old coins would have been a lot larger percentage of the money in the average person's pocket than 40+ year old coins are in someone's pocket today.