Private collection
1976 PM – (en) mintmark on both obverse and reverse; see comments
Private collection
1976 PM – (en) mintmark on obverse only; see comments
Private collection
1977 PM – (en) mintmark on both obverse and reverse
Private collection
1978 PM – (en) mintmark on both obverse and reverse
Private collection1979 PM

– (en) mintmark on both obverse and reverse; stylized triskelion privy mark
Private collection1979 PM

– (en) mintmark on both obverse and reverse; stylized triskelion privy mark