Lain/Boa promo cards

1998? · Polystar Co., Ltd. (Bôa's label; artwork ©1998 Triangle Staff/Pioneer LDC) · cards (promo)

Promo cards in four colours (blue, light blue, red, yellow) that Lawrence Eng labels 'Lain/Boa cards' with a question mark. What they promoted is unclear (?).

Sources: lawmune.net archived · lawmune.net archived