Letter paper, 5 sheets, Showa retro, rare, approx. 40 years old, Sanrio, Hangyodon, etc.

1?? Sanrio Hangyodon 1985 - 2 sheets
2?? MIDORI PiPi PiYoKo - 1 sheet
3?? APPLE CHIPS - 1 sheet
4?? PA?A?RINS - 1 sheet

These are letter papers that came with a letter set from about 40 years ago. As they are old items, there are wrinkles and stains. Please examine the photos carefully. Those who are sensitive to such details should refrain from purchasing.
Thank you for looking.