1. additional printing on top of existing printed material, especially on stamps or currency
Usage: printing; philatelic

1. to print additional material on top of something already printed
Usage: printing

Examples

• The post office issued overprints on the old stamps to change their denomination.
• Collectors prize stamps with rare overprints from wartime periods.
• The printer overprints the company logo on each certificate.
• Emergency currency often features overprints to indicate new values.
• The museum overprints admission dates on tickets to prevent reuse.
• Philatelists study overprints to authenticate vintage stamps.