"Nineteenth Travel Folding Cup"
the case is in black Moroccan in excellent condition, the silver metal cup unfolds in three parts, the handle unfolds and folds up to enter the box. No apparent mark. It is a luxurious object, beautifully crafted, the Moroccan case has a nice old patina, the cup is also in perfect condition. 
Le Magazine de PROANTIC
TRÉSORS Magazine
Rivista Artiquariato