The 27-year-old Princess, who was recently engaged to long-time boyfriend Jonas Bergström, is temporarily in New York working for the foundation, which Queen Silvia helped found in 1999.
But instead of a bomb, the package contained a bra and panties, several cassette tapes, and a love letter addressed to the Princess, according to the New York Post newspaper.
“A package was left in the Childhood’s office in New York. It’s a routine procedure to always check packages addressed to the royal family. I don’t have any information about the contents, but it wasn’t a bomb,” said Royal Court spokesperson Annika Sönnerberg to the Aftonbladet newspaper.
The incident has been handed over to the New York police’s intelligence division, who are investigating the incident further.
The World Childhood Foundation was founded in 1999 by the Swedish queen. The organization works to give marginalized children around the world the chance to have a happy childhood.
A gala dinner is planned for October 21st in New York to celebrate the foundation’s tenth anniversary.