Some type 4 pieces occur with irregular legends. These can be ? CAROLV MAG, MA OR M on the obverse. Also known are FRA HIB and FR HI on the reverse. All bear the crescent/crescent privy mark, except for one with mullet/mullet. All are very rare to exceptionally rare pieces.
Illustrated? E.199/P.-.pm=mullet/mullet. Reads DG M BRI. 1639-43 (EXR) vf