Assertion: coin's introduction | /r/HasProperty | other currencies
Facets:
value: to aid the visually impaired
type: PURPOSE
Source sentences:
text: Although there have been other currencies predating the euro that were specifically designed in similar ways (different sizes, colours, and ridges) to aid the visually impaired, the introduction of the euro constitutes the first time that authorities have consulted associations representing the blind and visually impaired before the release of a currency.