Nice find. It may be worth searching out an auction house that specializes in glass like this.
I'm not sure who made this, but I'm sure it wasn't Blenko. I'd guess mainland Italy as area of origin.
The glaze my have crazed and then been subject to chipping from use. BTW, in case you don't know, that is the mark for White Hall Sewer Pipe &...
Bev, why wouldn't you call it sgraffito? IMHO that is a good term.
I id'd it over at the "old" place. Rainbow Glass, Duo-Tone, D219 c1966", shown in "Popular 50's & 60's Glass, Color Along the River" second...
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