Marylebone Antiques has dated this piece to the Georgian era.

Please enlarge all the images, because there are so many fine details to look at.
The gadrooned edge top has an interesting curved pediment with carvings in the corners.
There are four carved capitals at the top of the glazed section & four corresponding bold carved corbels at the bottom of the glazed section.

Below this on the cupboard section are more carved capitals & bases.
The four bottom cupboards are panelled & it sits on a plinth base.
The top glazed section has adjustable shelves inside.
Please check the measurement, because it’s kind of mid-height.
This bookcase separates into two sections (top & bottom) for easy transportation.
Width – 86 inches, 218 cm
Depth – 14 inches, 36 cm
Height – 63 inches, 160 cm
Marylebone Antiques has dated this piece to the Georgian era.
Specialist in english, french and swedish antique furniture & decorative items circa 1750-1950s.
You can view the stock and full dealer information on the Marylebone Antiques Profile Page