Big Thank to BossArea and Laurie member for you enormous information.
And If someone can help in explaining well in English this I was thanked him. The text is...
This list this based on the changes of esthetic aspect of the pedal (Ld, Sc, Name,etc..) and color of the labels. (Black, Silver, Green, etc...) In this list there is not you differentiate in electronics that also they would be collectable.