I can highly recommend the vendor who supplies my A4 paper. They can also provide A3 and any other A-series or B-series paper size. Their A4 paper is *exactly* 210 mm X 297 mm (more accurately cut than some A4 sheets I've received in international correspondence, whose dimensions often vary up to +/- 0.5 mm).
I bought a package of Hammermill Papers A4 typing paper.at a paper shop in Toronto. Rubber stamped on the package was K92444A 2 99635DQAF. I have no idea what those numbers mean.
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Joseph B. Reid
17 Glebe Road West
Toronto M5P 1C8 Telephone 416-486-6071
