Coin depth

[bk]

This topic applies to coins found in grassy areas such as lawns and parks under normal conditions. I realize earthquakes, floods, hurricanes, and other natural disasters can affect the depth of coins. I read somewhere that, on average, a coin will get built up approximately 0.1" per year, or about 10 inches in 100 years. It all depends on the type of grass or ground cover. I have found Memorial penny's 5 to 6 inches deep in thick grassy areas, and have found Indian head cents on top of the ground under large trees where grass will not grow.

 

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[dudes2112]

I personally don't believe that coins sink. Unless it rains and gets real muddy, but that would only account for a sinkage of about half an inch at most. I think the other "sinkage" is actually years of grass and leaf debri decaying over time on top of it as free mentioned, just my opinion. And yes, this has been debated at length here before

Dudes