Is it my thread you are referring to?
www.elitefourum.com/t/1999-2000-jungle-booster-packs/14073/1
As far as I know there are three versions of the Unlimited Jungle Packs:
1: WOTC Logo: Rectangular Font: Thin - No Symbol Errors
2: WOTC Logo: Rectangular Font: Bold - Most common pack with regular cards
3: WOTC Logo: Curved Font: Bold - 1999-2000 print (Regular cards)