| Note Description | PrAg | G | VG | F | VF | VF EPQ | 40 | 40 EPQ | 45 | 45 EPQ | 50 | 50 EPQ | 53 | 53 EPQ | 55 | 55 EPQ | 58 | 58 EPQ | 60 | 60 EPQ | 61 | 61 EPQ | 62 | 62 EPQ | 63 | 63_EPQ | 64 EPQ | 65 EPQ | 66 EPQ | 67 EPQ | 68 EPQ | 69 EPQ | 70 EPQ |
ND (1968)
| 34032 | 20 Xu ND (1963) SVNR2 | | | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 6 | 6 | 6 | 7 | 9 | 9 | 9 | 10 | 12 | 13 | 16 | 16 | 20 | 20 | 21 | 24 | 24 | 24 | 25 | 28 | 37 |
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