What does Segnale Di Vietato Fumare look like on Sharp?

On Sharp it is the design shipped in Pi 4000, shown above at full size. Older revisions are listed beneath it.

When did Sharp add Segnale Di Vietato Fumare?

Sharp first drew Segnale Di Vietato Fumare in Pa 8500, released 30 settembre 1988.

Sharp Corporation has shipped 2 versions of Segnale Di Vietato Fumare. Each is dated, so you can see when the design changed.

Sharp

Sharp Corporation has drawn Segnale Di Vietato Fumare 2 times. Every revision Sharp has shipped is below, newest first.

What does Segnale Di Vietato Fumare look like on Sharp?: On Sharp it is the design shipped in Pi 4000, shown above at full size. Older revisions are listed beneath it.
When did Sharp add Segnale Di Vietato Fumare?: Sharp first drew Segnale Di Vietato Fumare in Pa 8500, released 30 settembre 1988.
How many times has Sharp redrawn Segnale Di Vietato Fumare?: Sharp Corporation has shipped 2 versions of Segnale Di Vietato Fumare. Each is dated, so you can see when the design changed.

Sharp artwork for this emoji spans 1988 to 1994.