Vintage Belgian postcard with young girl with a bouquet of flowers from 1900s.

Postcard legend: "Vive Marie" / "Long live Mary"

Embossed Belgian postcard depicting a little girl chasing butterflies from 1900s.

Belgian postcard of a young kid carrying a watering can from 1900s. Postcard sent in 1909.

Vintage Belgian postcard with a bouquet of roses and lily of the valley from 1900s.

Vintage Belgian "Bonne fête" postcard with young girl with a bouquet of flowers from 1909. Unwritten back. 

In Europe and probably in other countries, it is tradition to wish a "bonne fête" to relatives and friends according to their first name and the calendar of saints. It is a tradition dating from the 16th century that lasted until the beginning of the 20th century and is gradually being lost.