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<span style="color:#800000">['''1932 up to 1936*''']</span> The patent for [https://pipedia.org/images/3/34/DunVernon16.jpg Dunhill's Vernon fitment] (sometimes attached to the shank), registered in '''Canada''' (See the [[Dating Guide Addendum|*Addendum 1]]).<br> | <span style="color:#800000">['''1932 up to 1936*''']</span> The patent for [https://pipedia.org/images/3/34/DunVernon16.jpg Dunhill's Vernon fitment] (sometimes attached to the shank), registered in '''Canada''' (See the [[Dating Guide Addendum|*Addendum 1]]).<br> | ||
The date code is just after the patent number (sometimes after ENGLAND): ''' | The date code is just after the patent number (sometimes after ENGLAND): '''1920 +: <span style="font-size:small"> <u>12</u>, <u>13</u>, <u>14</u>, <u>15</u> and <u>16</u></span>''' (they are smaller and underscored). | ||
Sometimes the patent was stamped without any date code. See if there are any additional details that can help you figure out an approximate date [[#Triggers|'''here''']]. | Sometimes the patent was stamped without any date code. See if there are any additional details that can help you figure out an approximate date [[#Triggers|'''here''']]. |