Another source of information could be a merchandise catalog. sold many products years ago and you may be able to date an item by its appearance in the catalog.Some collectors shy away from collecting tins with paper labels, but besides being very attractive, they can provide the name of the label's printer or lithographer.
Find out more about Copyright and Patent information as you read the listing below.
At some time, tin collectors want to know something about the history behind their tins or more often, how old they are.
Most of the time, the tin will not have a date marked anywhere on it, and that's where some detective work on your part is required.
Many ads have a date on them ( the page they're on or the date of the publication you find them in) and are an excellent reference tool as well as looking great themselves in your collection.
Other point-of-sale (POS) advertising, particularly die-cut cardboard, may also provide dates.