This is the 1989 "The Rain in Spain" collector plate from the My Fair Lady 25th-anniversary series by the Edwin M. Knowles China Company. 

"The Rain in Spain" collector plate features the iconic artwork by William Chambers. The scene vividly brings to life the celebratory movie moment where Eliza Doolittle (Audrey Hepburn) finally masters her pronunciation, danced alongside Professor Henry Higgins (Rex Harrison) and Colonel Pickering

• Artist: William Chambers

• Series Position: Third issue in the limited edition collection.

• Safety Notice: The back notes it is not for food use because the decorative colors may contain toxic pigments.

• Estimated Value: These vintage plates typically sell for around $10 to $25 on resale sites like eBay and Etsy

The cost paid new was 30.79.