Another color question

[Georgia]

I'm getting ready to send in the papers to get this guy registered and I'm having a hard time deciding on his color. I think I would call him a dun, but the breeder said he was a dun/buckskin. What should I put on the papers. I'm new to minis.

Dudley before clipping

Dudley after clipping

Thanks for your help.

 

[Georgia]

Please remove put in wrong section.