I'd use this exquisite cup and saucer on my birthday, and whenever else I wanted to feel like royalty--so maybe everyday! Though difficult to photograph, it's just a completely lovely thing, and while it would be nice to have a whole set, having one just for yourself makes it all the more special. Definitely it is handblown Italian Murano, and in addition to the white ribbons (Lattacino), the handle and base of the cup feature what looks like gold leaf suspended in the glass. I've found one similar set online (selling for $1500 for a set of 6) purchased in Venice in the 1960s; this one is finer, though, and I think older than that, but I'm not certain.
Very good vintage condition, with no chips or cracks. There are a few small scratches to the surface of the glass on the saucer, as pictured in detailed photos. Cup measures 3 1/8" t x 2 7/8" across at lip; 3 1/2 across at handle. Saucer 4 7/8" d x 1" tall.