Ohhh~ I know what this iiiis~It's a telephone card, right?right...?Oh my~ This is quite the nostalgia trip, bringing out this stuff.It's a telephone card...Houshou-san put some precious things inside a biscuit tin, did she...?I used the IO-Card a lot, didn't I...
JR East's pre-paid card, after the split.Ah, that's an Orange Card, you see?
A pre-paid JR card, the predecessor to Suica. Sold from 1983 to 2013; old enough to have been sold when JR was still JNR