I take as the evidence of this identification the fact that the illustrations announced in the literature are fully matching. I did not find a difference between the pictures in both Sotheby's catalogues.
I discussed it as follows in 2014 (size and estimate are changed in the text below that meets the latest information).
The Austrian artist Ludwig Deutsch, living in Paris since 1878, made frequent visits to Cairo from where he brought back sketches and photos. Influenced by the French Orientalistes, he first developed a realistic art based on meticulous drawing.
His paintings show Muslim scenes with a large differentiation of the characters according to their role in the Islamic liturgy. He pays a specific attention to the attitudes in a flexible realism. The Offering, oil on panel 62 x 80 cm painted in 1897, was sold for £ 2.15M including premium by Sotheby's on April 23, 2013.
On April 25, 2017, Sotheby's sells an oil on canvas 170 x 201 cm estimated £ 250K.
The theme, located in a street of Cairo, is the traditional procession of the Mahmal during which a Quran is carried in the palanquin of a camel. The artist observes the festive crowd, with its rhythms and colors.
This painting was done in 1909. Deutsch has changed his style, assessing that he is a contemporary of the post-Impressionists, Expressionists and Futurists. He gets rid of his classicism in favor of the effect of atmosphere and motion.
In this sun-bathed street, the distance is materialized by the haze of the incense smoke and by the contrast between the sharpness of the figures in front row and the lack of detail in the colored crowd.
SOLD for £ 310K including premium