Megillat Tikkun Leil Shavuot 10 Meters Long. Yemen, 18th-19th Century. Very Rare

Megillat Tikkun Leil Shavuot 10 Meters Long. Yemen, 18th-19th Century. Very Rare
Tikkun Leil Shavuot  written on paper in the form of a Megillah. Yemen, 18th-19th century.
[88] pages written on one side. Ink on paper. Yemenite writing.
Height: 18cm. Length: Approx. 10 meters. Most of the sheets have 4 columns per sheet. Each sheet is sewed to the adjacent one and the first and last are sewed to the scroll handles (atzei chaim).
The writing of a Tikkun Leil Shavuot as a Megillah is unusual and extremely rare. 
The first sheet was completed in different handwriting on different paper. Age stains. Slight tears without lack of text. A few reinforcements. Moderate condition.