Signe Hammarsten-Jansson

Signe Hammarsten-Jansson
Born(1882-06-01)1 June 1882
Died6 July 1970(1970-07-06) (aged 88)
EducationStockholms tekniska skola
OccupationsGraphic artist, illustrator, caricaturist
Known forFinland's first professional stamp designer; mother of Tove Jansson
SpouseViktor Jansson
ChildrenTove Jansson
Per Olov Jansson
Lars Jansson
RelativesSophia Jansson (granddaughter)
Einar Hammarsten (brother)

Signe "Ham" Hammarsten-Jansson (née Hammarsten, 1 June 1882 – 6 July 1970) was a Sweden-born graphic artist, illustrator and caricaturist who spent most of her career in Finland. She was Finland's first professional stamp designer, designing around 220 Finnish postage stamps over three decades. She was the mother of Tove Jansson, creator of the Moomin characters.