… Postage or revenue stamps, stamp-postmarks, first-day covers, postal stationery (stamped paper), and the like, used or unused, other than those of heading 49.07. …
Explanatory notes
… 97.04 ‑ Postage or revenue stamps, stamp‑postmarks, first‑day covers, postal stationery (stamped paper), and the like, used or unused, other than those of heading 49.07. This heading …