There was a cheap unofficial vending machine from Hong Kong.
For 20 yens (2×10 yens) you got 1 dragon ball z card with 5% chances to get a prism card.
For each part there was a different display on the face.
VIDEO REVIEW !
VENDING MACHINE HK (199?)
Vending machine for Bandai carddass.
Hondan, Super battle, visual adventure, super barcode wars.
1 prism on 20 cards
1 card for 20 yens (2×10 yens)