Can anyone tell me how old this bowl is?Is it a bowl or a serving dish? And does it come in a set?It's grey and white and I only saw blue plates/bowls in the gallery.[img]https://goo.gl/photos/sHdSY3SAAmZVAkJs6[/img][img]https://goo.gl/photos/oPv3LQUqcuGA9Zmb8[/img]