The company that first manufactured the first valentine card in the early 1900s is called the Hallmark or Hall Bros.
<h3>What is the Hallmark or Hall Bros?</h3>
The company known as Hallmark or Hall Bros sold its first Valentine's Day cards in 1913.
Prior to this, the postcard designs were purchased from another company, but in 1916, the company began producing its own Valentine's Day card designs.
In conclusion, the company that first manufactured the first valentine card in the early 1900s is called the Hallmark or Hall Bros.
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