Huge roll of Antique Keuffeler & Esser Tracing Cloth No 166, 6364

I believe the packages says 20 YDS long. It is 42" wide.

The dark green outer cover has wear, the cloth/paper looks unused. - The roll looks uncut.

Label says:

No 166 - Phoenix White Pencil and Ink Tracing Cloth made in USA 

Keuffel & Esser Co New York 

20 YDS  - 6364 - 42 INCH

Super rare collector item! 

Smoke free home.