ANTIQUE 12 OIL PAINTING ON CANVAS GERMAN CHILDREN GIRLS FROG TREE SIGNED GIFT. 310 x 260 mm // 12.4″ x 10.4″. Materials and Technique: Oil on canvas. Technique used surface: painted. Subject: Children, Girls playing with a Frog. Signed: Yes, illegibly signed. Place of Origin: Germany. Date of Manufacture: early 20th century. Condition: Please view the photos as they are part of the description. The frame is not part of the offer, but will be added free of charge. Your questions are welcomed! Please view the photos as they are part of the description. Professional safe packaging guaranteed! Track Page Views With. Auctiva’s FREE Counter.