There are several ways to deduce the date of a photo or at least narrow down the time frame. Without a handwritten date or a date stamped by the photo developer, check the back of picture frames or within photo albums where a picture was once stored.
Also study the elements in the photo that link it to a time period, such as cars, store signs, household items, clothing, and hairstyles. Additionally, the Web is a great source for birth and immigration information that may help you estimate a photo's date.
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