This is a vintage 1988 "The Marble Boat" collector plate from the "Scenes from a Summer Palace" series made by Imperial Jingdezhen Porcelain. 

Key Details

• Maker: Imperial Jingdezhen Porcelain, China

• Series: Scenes from a Summer Palace

• Year: 1988

• Design: Hand-painted artwork showing the famous Marble Boat structure with pink cherry blossoms and a detailed turquoise geometric border.

The estimated resale market value of your 1988 "The Marble Boat" collector plate with its original box and Certificate of Authenticity (COA) generally ranges between $15 and $40. 

While it was highly popular at its release as the premier first-edition plate in the "Scenes from a Summer Palace" series by Imperial Jingdezhen Porcelain, the current collector market for late-20th-century plates is widespread, which keeps resale values modest. .

Value Breakdown Based on Condition & Venue

• Standard Resale Value ($15 – $25): This is the average closing price for the complete set on platforms like eBay and Mercari. A common sale price for the plate with paperwork included rests around $18. [1, 2, 3, 4, 5]

• Premium Listing Price ($30 – $40): Pristine, collector-grade copies featuring spotless fabric/linen boxes and immaculate booklets can fetch up to $40 on retail platforms like Poshmark or specialized vintage shops on Etsy.