How much of an estimation can the shape of the estimated sign be for it to still count as the estimated sign?

The »℮« symbol has both a precise legal meaning and a precisely defined shape.

The typeface Lucida Sans contains a glyph for U+212e ESTIMATED SYMBOL that’s doesn’t look like it should, with vertical lines in the counters.

https://en.wikipedia.org/wiki/Estimated_sign

#Typography #estimatedSign #Lucida

Estimated sign - Wikipedia