He also rejected as "utterly unpersuasive" government pleas that new tactile features might undermine the anticounterfeiting features.

Alongside the contrasting colors and increasing sizes, many other countries' currencies contain tactile features missing from U.S. banknotes to assist the blind.

Braille pattern dots-123456 is also used for the tactile feature on Canadian banknotes.

Check the 'tactile feature' on the back of the card, which is a raised design incorporating the four national flowers of the UK.

This note features raised, textured printing as well as a special tactile feature (similar to Braille dots) to assist the blind in identifying the denomination.

As well as textured printing, this design includes Braille dots for the blind indicating the denomination as a new tactile feature.

The polymer notes continue the tactile feature, from the Canadian Journey series.

All banknotes have tactile features to assist people who are visually impaired to identify the notes.

Some currencies' banknotes have a tactile feature to indicate denomination.

As well as textured printing, the 2004 design incorporates a special tactile feature similar to Braille dots for the blind indicating the denomination.