From the seller:
This early dress is made from a pale gold patterned silk with serpentine vines, it has collared imbecile sleeves with ruching and Van Dyke points. The bodice is decorated with bands of self piping, it has a scalloped neck insert. It has a wide band of cotton facing the hem. It has numerous repairs, faint stain and spots, minor fraying on the shoulders and small scattered holes/tears, the silk band around the waist added. It was de-accessioned from the Indianapolis Museum of Art. It measures 33 inches around the bust, waist is 25 and it's 51 3/4 inches long.
I'm pretty sure they mean from shoulder to hem from the length....
|1836 Fashion Plate|
Really anytime between 1836 to 1838 for this dress.