Final! SONY Cassette Tape C-46 WM Unused Item

I will be ending my listings at the end of April due to moving, so please consider purchasing soon.

This is a Sony cassette tape, specifically manufactured as a promotional item for the Walkman brand.
Product Name: SONY C-46WM TYPE I (NORMAL)
Recording Time: 23 minutes per side, 46 minutes total
Features: Clearly marked NOT FOR SALE, indicating it is not for sale.

This is an unused, unopened, vintage item, and its functionality has not been tested.
We appreciate your understanding of vintage items.