Do you have any information about the Hologram variation ?



1- 1990-91 Upper Deck ( 1-550 )

2- 1990-91 Upper Deck '90 BB Hologram Back ( 1-400 )

3- 1990-91 Upper Deck '90 Comic Ball Hologram Back ( 1-400 )

4- 1990-91 Upper Deck '91-92 Hologram Back ( 401-550 )