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Raised dots or bars letting a note be identified by touch.
Also known as: Raised dots on a banknote, Bumps on a note
Clusters of raised dots, one arrangement per denomination. They are not Braille — most people who cannot see do not read Braille — but a simpler tactile code designed to survive being carried in a pocket.
Clusters of raised dots or bars printed in intaglio on a banknote, arranged differently for each denomination so that a note can be identified by touch.
Contexts: Public information
Deliberately not Braille. Only a minority of blind and partially sighted people read it, and a simple count of raised clusters is legible to anyone and survives wear better than a Braille cell would.
Supported by differences in the notes' physical size, which do most of the same work: on many currencies each denomination is a different length, so notes can be sorted in a wallet without being seen.
One or more clusters of small raised dots, or short raised bars, near an edge of the note, detectable by fingertip.
A fuller structured visual breakdown is not yet documented for this symbol.