Logo for NY resturant Claudette

I agree with Bob, most likely hand-lettered.
The style is called upright script, and though I didn't find any typefaces with the same evenness of line and calligraphic flare, the following faces have a similar vibe (to greater and lesser degrees):
http://www.myfonts.com/fonts/ascender/romany/
http://www.myfonts.com/fonts/nicksfonts/society-page-nf/
http://www.myfonts.com/fonts/jonahfonts/georgie/
http://www.myfonts.com/fonts/linotype/fling/
http://www.myfonts.com/fonts/pelavin/mimosa/
http://www.myfonts.com/fonts/sudtipos/mrs-blackfort/
http://www.myfonts.com/fonts/bitstream/typo-upright/
http://www.myfonts.com/fonts/laura-worthington/samantha-upright-script/
http://www.myfonts.com/fonts/tipo-pepel/kids-script/
http://www.myfonts.com/fonts/fontdiner/cocktail-script/
http://www.myfonts.com/fonts/martina-flor/wonderhand/
http://www.myfonts.com/fonts/jbfoundry/simple-ronde/
http://www.myfonts.com/fonts/jbfoundry/old-french-school/
http://www.myfonts.com/fonts/canadatype/bella-donna/
http://www.myfonts.com/fonts/fenotype/mishka/
You may also like Aya Script by Crystal Kluge, Stuart Sandler [2012]
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