Two Cased Level Triers, a green anodized iron Buff & Buff Mfg. Co. level in the original fitted case, with silvered micrometer screw, and interior labels, and an unmarked earlier example also in a fitted case. Provenance: Robert Miller Collection. Estimate $100-150 Items may have wear and tear, imperfections, or the effects of aging. Any condition statement given, as a courtesy to a client, is only an opinion and should not be treated as a statement of fact. Skinner shall have no responsibility for any error or omission.