If I kill a buck that I plan on mounting while hunting out of state I first take the necessary neck and eye to nose measurements. You can google where to take your measurements. I then cape out the head trying to keep as much meat off the cape as I can. Then I fold it up fur side out and double wrap in two garbage bags pushing all the air out making a small package out of it. I tape it up and mark the measurements on it with a sharpie and put it in the freezer. Put in a cooler to transport home and then in your freezer when you get home, it will keep for several years in the freezer. If you have no freezer a lot of times someone will have access to one in a local town, if not you will be fleshing and salting.
The older I get the better I was.