"Only the United States prints bills that are identical in size and color in all their denominations."

"More than 100 of the other issuers vary their bills in size according to denomination, and every other issuer includes at least some features that help the visually impaired."

It hurts the blind and violates the Rehabilitation Act, a federal judge says.

This is an interesting manifestation of the notion that what other countries do says something about what American law means. (Discussed back here.)