Blank Cassettes: Audio - Teac - HDX - C - 60 - Japan

Sealed tape, but the wrapping has a bit of discoloration to it.

Vintage Sealed Japan Cassette Tape TEAC MDX 60 Metal Position

Project C-90, Catalogue, Compact cassettes

日本代購代標第一品牌【樂淘letao】－SONY CHF 90 未開封新品

Blank Cassettes: Audio - Teac - HDX - C - 90 - Japan

Cassetten-Schätze, Teil 6

Audiochrome: March 2018

Hi-Fi Choice - May

Blank Cassettes: Audio - Crystal 3300 - High Dynamic Range - C - 60 - Japan

Blank Cassettes: Audio - Virgin - Chrome - C - 60 - Europe