Examples of the type
Private collection
1974
– Tranche type A
1974
– Tranche type A
Private collection
1974 – Tranche type B
1974
– Tranche type B
Private collection
1977 – Tranche type A
1977
– Tranche type A
Private collection
1978 – Tranche type A
1978
– Tranche type A
Private collection
1979 – Tranche type B
26 mm • 10 g
1979
– Tranche type B26 mm • 10 g
Private collection
1980 – Tranche type A
1980
– Tranche type A
Private collection
1984 – Tranche type B
1984
– Tranche type B