The Collector Database

Report Sale

Select Game

Select Set

Select Display Number Format

Prefix

000 : will transform 17 as 017. 8 as 008.

0000 : will transform 17 as 0017. 8 as 0008. MTG MOM use that.

Postfix

Will add postfix to display Number. Postfix /281 will make 7/281.

Conditional Postfix

Will stop adding PostFix from that card number. Very common in MTG. ex: 285/286, 286/286, 287, 288...