24" Stanley Level. Made in U.S.A. Has the "heart with the S.W." in it. Looks like a No.3 The brass plates need to be shined up a bit. Both bubbles work and are not broken. Looks like it might be starting to split? on the ends. There is water damage or marks and by the "stanley" stamp on the edge looks like another split? The brass plates have no other marks except for "to adjust remove plates"