When the US Postal Service launched the parcel delivery service in 1913, a variety of special goods were sent, including coffins, eggs, dogs, even children.

Before January 1, 1913, the US Postal Service limited packages to 1.8 kg.

According to the historian of the National Postal Museum Nancy Pope, the first mother to send her child by post in the US was Jesse Beauge in Glen Este, Ohio.

She also paid an extra premium, but it was unclear how much this was.

Some children have been sent far further.

"Babies can't be boxed," Pope said.

The most popular post baby, 6-year-old May Pierstorff, was sent on a mail train in 1914 on a journey of more than 110 km, with postage stamps plastered on her jacket.

"Postage is cheaper than train tickets," says historian Jenny Lynch.

The National Postal Museum has a picture of Pierstorff but keeps no items from that trip.

These special shipments usually take place in rural areas.

"The postmen were considered reliable and they proved it. There were stories of rural postmen who helped deliver and care for the sick. Even today, they sometimes

In 1914, the Secretary of the US Postal Service issued a new regulation, terminating the activity of "delivery of people" and maintained to this day.

But that did not stop thief William DeLucia locked himself up to be transported with parcels by air.

"We still have his oxygen tank at the museum," Pope said.