Does anyone know what the value is on an imari plate with peacocks on it?

its at least 50 yrs old if not more, blue and green peacocks sitting on a tree surrounded by blue flowers. on the back is japanese symbols

Does anyone know what the value is on an imari plate with peacocks on it?
im just looking on a web site called ebay..from what i can see on the description and age of your plate,it doesnt look like its worth much...i could be mistaken but check the site out forn yourself if it will help www.ebay.co.uk

clear cream