This is a VERY SMALL AD - approx 1/4x2”. Please see second picture next to penny for scale. If you need an exact measurement please ask prior to ordering. Original piece taken from 1931 Normal Instructor. May have tears, blemishes, brittleness and other issues due to age. See pics for condition.

O-Dee Specialty - Genuine California Redwood Burls Seattle WA 1931 Ad SAG4-S14