64 en 65 colors

wrong colors on the cover…
 
to my amazement i noticed that the colors on the 65 cover are NOT correct !
(however, on the inside, you can see the correct colors!)
 
you can clearly see that the 65 booklet (upper side) takes all the 64 colors (exept birch green), including the nutria color. however, the nutria color was NOT available in 1965 ! the printer must have had some problems noticing the difference between seesand, safaribeige and nutria. ( so instead of the nutria color, there must have been the seesand color, whitch is a great color, ask wim devincke from the DVF…