Amphora / Riessner, Stellmacher & Kessel, an Art Nouveau
Calla Lily vase, Bohemia circa 1900-1905, glazed with a matt /
satin enamel and gilt finish. Model number 531, design
attributed to Eduard Stellmacher.
Another example of this vase can be seen above in the book
"The House of Amphora" 1890-1915 by Richard L Scott, page 131.