"May this Christmas bring us a specially hopeful New Year 2021.
Much thanks for the well-wishes,Felipe RLetizia RLeonor, Princess of AsturiasSofia, Infanta de España"
In past years, the typed line on the card says simply "Merry Christmas & Happy New Year 20xx." The change this year is obviously a reference to the pandemic.
The back of the card features King Felipe & Queen Letizia's joint monogram.