On the under surface it is decorated in cobalt blue. It is marked with a six character mark which says some thing like, more valuable that precious jade or fine bronze. It is about 21.2 - 21 cm in diameter.
It weighs about 427 grams. The rim is a little wavy.
It is in very good condition, with a fine stress relief hairline on the side please see the photographs - there is no related chip, ie this hairline is the result of tension relief as a result of pressure built up in the kiln. The item "Fine Antique Chinese Copper Red Gold Cobalt Blue Porcelain Plate Marked" is in sale since Sunday, September 3, 2017. This item is in the category "Antiques\Asian Antiques\China\Plates". The seller is "avionsunantiques" and is located in Victoria, British Columbia. This item can be shipped worldwide.