[martyvis]

I remember getting a rubber stamp set as a kid here in Australia, probably around time I started school in 1968. They definitely had an ampersand, dollar and cents stamp and even "No." (with the superscript o)

[TRiG_Ireland]

The Numero Sign, №, despite representing Latin letters, apparently arose in Cyrillic usage as an independent symbol. Most languages just use No or Nr.