Help dating velvet dress with floral lace embroidery

Good morning/afternoon/night to all!

How I've missed the forums! I've been M.I.A for the last few months because I've only been thrifting pieces from the 1980s and 1990s, which are easier to date.
I've inherited this dress that belonged to my great grandmother. All I know about her is that she had kids in the '30s (my grandmother was born in 1931).
The dress has a side zipper with hooks above it and snap closures on the collar and cuffs.
Any thoughts on this one?

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