Oil on panel
Dimensions: 24 x 34,5 cm
Signed lower right “Knüpfer”
Verso registration number and label of National Gallery in Prague, no.O 8586 and label of Gustavo Baldissera Roma (Picture frame shop)

Provenance:
- collection of Czech builder contractor Alois Trojan (confiscated by Communist government for the National Gallery in Prague in 1950)
- Restitution from NG in Prague after 1990

Confirmation of authenticity by Professor Tomas Vlcek attached.
Consulted with Professor Jaromir Zemina and Doc. PhDr. Maria Mzykova CSc.