Colors, Treasure Hunt #1 hint

[Olivier]

Hello!

Another coloring issue: should the eyes be colored (light) blue
or just plain white?
Looking at a few paintings, it seems Barks did not color them
but made a blue ring.

Have a nice week-end, everyone!

                                                                                Olivier

PS:
Any idea for Treasure Hunt #1?
(  In which story can you find an old horsecar ticket & a wolf trap?  )
Hint:    A Donald ten-pager in which Donald plays a particular record...