Hard to tell much by the pictures. Look at the packaging to see if it is safe for food storage. That's a safe bet that it does not contain PVC.
One of the local coin shops here uses those when I buy junk silver coins. Aren't these used for pills as well? If so, I would think they would be PVC-free.
The ones I buy are for pills, so I guess I can wait longer in between switching over to 2x2s now. Thanks.
Not sure there is a way to know if they are sent to you by someone else. These bags are made for lots of different things. I buy them from China and India by the thousands to package parts in. I would never put a coin in the ones I buy.
You can buy the little PVC, archival grade zip locks for coins, but whether or not you have this type can't be told by looking at them.