When Bubbles receives his 24 hour sobriety key chain it is obvious that it is black, in the far shot, which represents 2 or more years of sobriety. Narcotics Anonymous distributes white "chips" for 24 hours; however, in the closeup shot the key chain is now the correct white color.
When Jay offers the index card for Madame LaRue to Sanny, he kneels next to Sanny's desk. Sanny takes the card from Jay's hand, but in the next shot, Jay is again holding it.