Patrick Nordstrom multi-gourd vase

Patrick Nordstrom (1870-1929) multi-gourd form vase with grayish ochre, semi matte glaze.  Marks include three wavy lines and designation S.1750.  According to a catalog of Nordstroms work accompanying an exhibition held in  on the 25th anniversary of his death, this vase is one in a series of sequentially numbered works done beginning in the early 20th century and running to about 1915.  This one measures 9 in. high and is estimated to be c. 1915.