This is the vintage "Flying Kites on a Spring Day" collector plate from the China's Imperial Palace: Forbidden City collection, produced by Imperial Jingdezhen Porcelain around 1990. 

Key Details

• Artwork: Features a detailed depiction of the Forbidden City in Beijing, China, with master artisan styling based on original artwork.

• Size: Measures approximately 8.5 inches in diameter.

• Value: Typically sells on secondary markets (like eBay or Etsy) for between $30 and $50 depending on whether the original box and certificate of authenticity are included.

This specific plate is the second issue in the limited-edition China's Imperial Palace: The Forbidden City collection. 

The series contains eight plates in total, listed chronologically below:

1. Pavilion of 10,000 Springs (1990)

2. Flying Kites on a Spring Day (1990)

3. Pavilion of Floating Jade-Green (1990)

4. The Lantern Festival (1991)

5. Nine Dragon Screen (1991)

6. The Hall of the Cultivating Mind (1991)

7. Dressing the Empress (1991)

8. Pavilion of Floating Cups (1991)