I found my 3rd one is as many months just the week before last in some cwr's or loose coins that I'm pretty certain is clad. But I found 2 others in Sept that I think may be silver. Sometimes it's hard to tell for sure because of they way they are tarnished and the rims can sometimes be deceiving also.
I have culled a total of 5 and of that 5, I found 2 last week. You never know what will come up when.
Yesterday, I was working a dime box and found an 1889 German Empire 1 cent coin. Not worth much, but interesting. I keep all the foreign coins I find in an old cigar box for my granddaughter.