- | 20w | dkbl | Issued 1955 | |||
- | 20w | dkbl | Issued 1952 - Imperforated | |||
- | 20w | graybl | Reprint 1957. Perf: 10½ or Imperforated |
- | 20w | dkbl | 1956 | |||
- | 20w | dkbl | 1952 Imperforated | |||
- | 20w | ltbl | 1957 Reprint. Perf: 10, 11 or Imperforat… |
- | 20w | dkblgrn | p. 10.5 | |||
- | 20w | dkblgrn & sal | imperf |
- | 20w | slbl | p. 10.5 or imperf | |||
- | 20w | slbl & rose | imperf | |||
- | 20w | p. 10.5 or imperf | ||||
- | 20w | imperf | ||||
- | 20w | 1957 Reprint. Size 24 x 42 mm, Perf: 10¾, p. 10.5 or imperf |
- | 20w | blgrn | p. 10 | |||
- | 20w | blgrn | imperf | |||
- | 20w | blgrn | Rouletted, p. 10 |
- | 20w | bl & red |
- | 20w | multi | ||||
- | 20w | multi |
- | 20w | multi | Jan-Ove Waldner | .20 | .20 |
- | 20w | multi | Hypogeomys antimena |
- | 20w | multi | ++on=40ch-LZ 1 |
- | 20w | multi | Saleswoman presents consumer products | .20 | .20 |
- | 20w | multi | .20 | .20 |
- | 20w | multi | Visiting the Dalian Xuelong Industry Group | .20 | .20 | |
- | 20w | multi | Visiting the cooling equipment company Dalian Bingshan | .20 | .20 |
- | 20w | multi |
- | 20w | multi | ||||
- | 20w | multi | ||||
- | 20w | multi |
- | 20w | multi |
- | 20w | multi |
- | 20w | multi |
- | 20w | multi | ||||
- | 20w | multi |
- | 20w | multi |
- | 20w | multi | ||||
- | 20w | multi | ||||
- | 20w | multi | ||||
- | 20w | multi |
- | 20w | multi | Rhinopithecus roxellana | — | — |
- | 20w | multi | — | — |
- | 20w | multi | — | — |
- | 20w | multi | — | — |
- | 20w | multi | — | — |
- | 20w | bl | ||||
- | 20w | bl | imperf | |||
- | 20w | bl | Perf: 11, p. 10 | |||
- | 20w | bl | Rouletted, p. 10 |