Broke,
I have a ton of the old NE decals sheets with two (maybe three) sizes of fireball. PM me if you're so inclined. I have no use for them until someone releases a 4-8-4 Potomac with sound, smoke unit and on-board DCC in plastic for under $100.
...so you might as well have them... I'll spray them with a coat of fresh decal film for you so they don't crumble. Theyve gotta be 20 years old.
Lee