VERY RARE ORIGINAL ILLUSTRATIONS ?

I have 4 original illustrations by the artist GH DAVIS ( he was a famous illustrator who did cutaways ) these are from the London illustrated news from 1945 to 1962 the subjects include nuclear power and velocity , have only ever seen one for sale which went for over 200 and was half the size of mine They are 200 each .Pictures are of the 4 illustrations , one close up and a printed copy of the actual pages one of the illustrations is on with page no etc