Ma fu negli Stati Uniti, nell'800, che alcuni imprenditori intuirono che erano molto gettonati i biglietti d'amore per questa ricorrenza ("valentine" con la classica forma di cuori, colombe, cupidi ...). ###>But it was in the United States, in the XIXth century, that some entrepreneurs realized that it was very popular to exchange love tickets for this event ("Valentines" with the classic form of hearts, doves, cupids ...).