| 摘要 |
Methods of manufacturing a security element for a security document include: a first portion of the security document, the first portion of the security document having at least one aperture therethrough, the or each aperture being defined by an internal surface of the first portion of the document; and either printing through the first portion of the security document such that ink is deposited onto at least a part of the internal surface of the at least one aperture, or printing through the first portion of the security document onto a second portion of the security document provided behind the first portion of the security document, such that ink is deposited onto at least a part of the second portion of the security document aligned with the at least one aperture.
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