This is a vintage collector plate from the China's Imperial Palace: The Forbidden City collection by Imperial Jingdezhen Porcelain. 

Plate Details

• Maker: Imperial Jingdezhen Porcelain

• Series: China's Imperial Palace: The Forbidden City

• Material: Fine porcelain made in China

• Era: Produced around 1990–1991

  China's Imperial Palace: The Forbidden City - Bradford Exchange Collector Plates | #1796382467. China's Imperial Palace

The text on the back identifies this specific piece as "The Pavilion of Floating Jade" (澄瑞亭观池 - Chéngrùitíng Guānchí).

It is the third plate in the "China's Imperial Palace: The Forbidden City" limited-edition series, issued in 1991. 

Backstamp Details

• Plate Title: "The Pavilion of Floating Jade" (Third Issue)

• Production Year: 1991

• Artist: Master artisan Shen Fu (沈浮)

• Plate Number: 甲六六五九 (6659)

• Production Limit: Fired during a limited period of 150 days.