Explanatory notes
… 97.02), postage or revenue stamps, stamp‑postmarks, first‑day covers, postal stationery or the like of heading … thermocopying or typewriting (see Note 2 to this Chapter), irrespective of the form of the characters in which the … provided they have the characteristics described in the first paragraph of this General Explanatory Note. However, …Legal note
… 97.02), postage or revenue stamps, stamp‑postmarks, first‑day covers, postal stationery or the like of heading …