The picture that you sent is of a Victorian etagere, a mirrored and shelved wooden stand with one door.
This piece was made circa 1900 and has a current value of $300 to $400.
Some sites that I recommend are Varagesale.com, Chairish.com, Ioffer.com, Furnishly.com, Deconet.com, Lushpad, Krrb.com, and letgo.com.You can also go to invaluable.com or liveauctioneers.com and search their directory for an auction house near you and consign to them.
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Hello,I am following up to see if you have read your answer and need further help with this item.Please do let me know.