| Observations | Description: YT color: yellow Green Varieties: - printed in blue Green (YT 101a) - blue green, perforated 12x6 (YT 101bA) - blue green, perforated 6 (YT 101bB) Catalog code: Michel MX 147Ex Stamp Number MX 174 Yvert et Tellier MX 101 Stanley Gibbons MX 165 |
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