Sweethearts conversation hearts debuted in 1901 and were made every year up until 2019 when the brand was sold.
Red Tricycle, Tiny Fox Lab

Sweethearts conversation hearts debuted in 1901 and were made every year up until 2019 when the brand was sold. Before that, the New England Confectionery Company produced ~8 billion Sweethearts per year, all within the six weeks before Valentine’s Day. – Tiny Fox Lab Facts

Preview photo credit: Red Tricycle
Source: vox.com/the-goods…