Originally available for sale only in Japan, this set of Pokemon cards is from the original Japanese-language Neo Genesis (Neo 1) set!
The 9 cards in this set are:
#152 Chikorita (Chicorita)
#153 Bayleef (Beirifu)
#154 Meganium
#155 Cyndaquil (Hinoarashi)
#156 Quilava (Magumarashi)
#157 Typhlosion (Bakphoon)
#158 Totodile (Waninoko)
#159 Croconaw
#160 Feraligatr (Oodairu)
And the Meganium, Typhlosion, and Feraligatr cards have holofoil on them!
You gotta catch this rare set of Pokemon cards!