CARLVS REX FR (circular legend around a cross surrounded by a circle made up of dots, a cross between FR and CARLVS).
BEDERRIS (circular legend with the letter S tilted around the Karolus monogram (1) surrounded by a circle made up of dots, a cross between the letters S and B).
Coin seen on: http://www.coincommunity.com, link to the page showing the coin: https://www.coincommunity.com/forum/topic.asp?TOPIC_ID=297965.
(1) Without letter A in the diamond on the middle.
Despite the state of the coin, the monogram seems to be (1). The only difference with type 1 is the letter S tilted on the reverse.
|N°||G||F||XF 40||AU 58||MS 63||MS 65|
Seems never to have gone on sale.