Examples of the type

Private collection
1918 – (en) F#80.1A Ø20.0-20.7 mm; medal alignment
20 mm • 3 g • ↑↑ 12h

Private collection
1918 – (en) F#80.1Ae) (old: 80.1Af) like a) but crown border is 4.6 mm wide and curved
20.4 mm • 3 g