Pipedia Dunhill Dating Guide: Difference between revisions

Pipedia Dunhill Dating Guide (view source)

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 The date code is just after the patent number (sometimes after ENGLAND): '''1920 +: <span style="font-size:small"> <u>2</u>, <u>3</u>, <u>4</u>, <u>5</u>, <u>6</u>, <u>7</u>, <u>8</u>, <u>9</u> and, <u>0</u> for 1930, then <u>11</u>, <u>12</u>, <u>13</u>, <u>14</u>, <u>15</u>, <u>16</u> and <u>17</u> for the early-30s.</span>''' (they are smaller and underscored).
-* In 1927, this patent was applied without the "CANADIAN" before the patent number, i.e, only "PATENT. No. 197365/20"
+* In 1927, this patent was stamped "PATENT. No. 197365/20".
+* From 1928 up to 1934 this patent was stamped "CANADIAN PATENT No. 197365/20".
+* From 1935 up to 1937, was stamped again only "PATENT. No. 197365/20", i.e, without the "CANADIAN".
 * "MADE IN ENGLAND" stamped on pipes intended for export, in these cases, stamped '''DUNHILL'S "SHELL"''' (without "BRIAR").