5,741
edits
Pipedia Dunhill Dating Guide: Difference between revisions
→417574/34
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* It might be noted that '''in 1944 there was a tooling error''' and in that year both a forward and backward slash stampings may be found, i.e. /34 and \34. | * It might be noted that '''in 1944 there was a tooling error''' and in that year both a forward and backward slash stampings may be found, i.e. /34 and \34. | ||
*The encircled group number was introduced in 1951 | *The encircled group number was introduced in 1951 (see [[#Notes|notes 1]]). | ||
*In 1952 full-size stamps were added to the finishes, right after the circled groups | *In 1952 full-size stamps were added to the finishes, right after the circled groups (see [[#Notes|notes 2]]). | ||
*In 1953 the finishes stamps after the circled group were reduced to about half the size | *In 1953 the finishes stamps after the circled group were reduced to about half the size (see [[#Notes|notes 3]]). | ||
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''']]. | ||