I ran across quite a few 1/4 Real Bolivian coins, all holed. I did some research and found out why so many are holed, and low and behold "they were used to pay tax's and tolls along their route" easily removable for quick payment.
N#61816
Bolivian proclamation pieces, and about 95% of them have holes. It was a tradition in the latter parts of the 1800's in Bolivia to pierce interesting coins and sew them on to 'Chuspas', which were coca bags known as Aymara Purse's. Original bags with the coins still attached appear to be SUPER rare. I buy them whenever presented to me. Here is a picture of a few bags: