Kurt and Hans Ludwig (Hal) Gottschalk on "skateboards" in front of Kurhaus Brunig; Norderney, Germany. Portraits Children

Left: Kurt Gottschalk; right: Hans Ludwig (Hal) Gottschalk

The six Gottschalk children Ursula, Elizabeth, Hal, Kurt, Freddy and Walter seated in a Strandkorb (roofed wicker beach chair); Nordeney, Germany. Portraits Children

Front row Walter (left) and Freddy; middle row Kurt (left) and Hal; back row Ursula (left) and Elizabeth

The six Gottschalk children Kurt, Walter, Elizabeth, Freddy, Ursula and Hal in the water on the beach; Nordeney, Germany.

From left to right: Kurt, Walter, Elizabeth, Freddy, Ursula and Hal Gottschalk

Three Gottschalk children digging in the sand; Nordeney, Germany. Portraits; Children

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Portrait of Franz Catzenstein and his little sister Ellen. Portraits Children

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Postcard distributed by M. Molling & Co. to commemorate the 100th anniversary of Friedrich Schiller's death; Hannover, Germany. Advertisements

Addressed to Therese Gottschalk nee Molling, postmarked 25 April 1905 and mailed from Hannover to Hildesheim, most likely while Therese was visiting her Meyerhof grandparents

Francine Durand at Aenny Catzenstein's 80th birthday; London Portraits Children

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Patrick Matthiesen and Ara-Serge Donabedian at Aenny Catzenstein's 80th birthday; London Portraits Children

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Beatrice Durand at Aenny Catzenstein's 80th birthday; London Portraits Children

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Beatrice Durand at Aenny Catzenstein's 80th birthday; London Portraits Children

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Aenny Catzenstein nee Gottschalk shortly before her death; London.

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Gottschalk children on vacation at a mountain lake; Titisee, Germany.

Front left to right: Ursula and Walter; back left to right: Kurt, Elizabeth, and Hal

Fritz Gottschalk and his children boating on a mountain lake; Titisee, Germany.

From left to right: Ursula, Walter, Hal, Kurt, Fritz, and Elizabeth Gottschalk; the lake is probably the Titisee near the Swiss border in the Black Forest, Germany

Ara-Serge Donabedian with Beatrice and Francine Durand at Aenny Catzenstein's 80th birthday; London Portraits; Children

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Studio portrait of Hilde Mosse, Marianne Ginsberg (Gilbert) and Rudolf Mosse sitting on a sled Portraits; Children

Verso: Handwritten postcard correspondence dated 1916 January 21