https://www.google.com/search?client=firefox-b&tbm=isch&sa=1&ei=wDe2XPj4Nc_usQXQz5TQCA&q=Royal+Doulton+plate%2C+The+old+balloon+seller+1979&oq=Royal+Doulton+plate%2C+The+old+balloon+seller+1979&gs_l=img.12…29314.32789..37330…0.0..0.145.584.1j4……1….1..gws-wiz-img.yvC4GTMotLQ

In looking through these,, there were different intensity of colors !! Since these are later production items of the original design would not be unusual to have different colors !! These have been in production since 1929 !!

The dark was the pic on left, light on right looking at it. Here’s the backs

Can you post a pic of the back stamp of each ?? In the same order so I will know which is the darker and which is the lighter plate ??