Private collection
53 (1919) – (en) Y#21.1a: ༡༥ - ༥༣ (with dots in obverse angles)
Private collection
54 (1920) – (en) Y#21.2: ༡༥ - ༥༤ (with dots in arabesquese)
Private collection
55 (1921) – (en) Y#21.2: ༡༥ - ༥༥ (with dots in arabesquese)
Private collection
58 (1924) – (en) Y#21.2: ༡༥ - ༥༨ (with dots in reverse arabesques)
Private collection
60 (1926) – (en) Y#21.2: ༡༥ - ༦༠ (with dots in arabesquese)