Παραδείγματα τύπου
1983 PM 
– (en) 2 varieties exists
– (en) 2 varieties exists
variant AB (letters close to each other)
Ιδιωτική συλλογή
1983 PM
– (en) Proof; 5 different varieties exists
1983 PM
– (en) Proof; 5 different varieties exists
variant BB - number 4