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Cite web test
The Isle of Man Post Office publishes information about its stamp issues.[1]
Cite book test
The issue is listed in the Stanley Gibbons catalogue.[2]
References
- ↑ Isle of Man Post Office.“Isle of Man stamps and coins”. Isle of Man Post Office. 2026. Retrieved 8 September 2026.
- ↑ Stanley Gibbons Ltd.Commonwealth and British Empire Stamps 1840–1970, 2026 edition edition. London: Stanley Gibbons, 2025. ISBN 978-1-911304-99-9, p. 412.