May Day
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| A flag inscribed with the letters of May Day and Chollima Statue | |
| Date of Issue | 1961.04.29. |
| Stock No | Ps97 |
| Size | 16x22 mm |
| A flag inscribed with the letters of May Day and Chollima Statue | |
| Date of Issue | 1961.04.29. |
| Stock No | Ps97 |
| Size | 16x22 mm |