The number on the photos means the description number and the model number before the name.
1 coin rack max coin size 5.70 is for light coins
2 coin rack max coin size 2.45 is for light coins
3 coin rack max coin size 5.70 is for heavy coins
4 coin rack max coin size 2.45 is for heavy coins
5 coin rack maximum coin size 5.70 is for heavy coins can join together
6 coin rack maximum coin size 5.70 is for heavy coins to join has a high back
The author marked this model as their own original creation.