There are a bunch of suppliers that can get you the correct decals for your particular Cub. Just tell them what the Serial Number is and they should be able to dig em up for ya.
Try any of these people - they all come highly recommended.
Telephone:(519) 522-0248 Fax: (519) 522-0138
Alan J. Haugh
Carter & Grunewald
4414 Hwy 92
P.O. Box 40
Telephone: (608) 455-2411 Fax: (608) 455-1815
P.O. BOx 805
Telephone: Jack Maple: (765) 932-2027 or:
John Hunter: (812) 894-9759
Your local CaseIH Dealer should be able to help as well.
hope this helps.