Postcards to and from China

[bom_dia]

Despite you can’t register it, you can still thank the sender, just need to contact support.

Postcards that you can't register (traveling for over one year)

Exactly what @Norway_girl and @ColorfulCourtney have said — just send us a message via the site’s Contact form, and we’ll have a look on the logs for the sender. You can still let the person know the postcard arrived, and say thank you!