Union Tool Co. No. 2

Maker	Union Tool Co. / Union Mfg. Co.
Model	No. 2
Type	Smoothing plane
Origin	USA
Production period	ca. 1890–1930
Dating confidence	medium
In collection	2 purchases

What it is

Union Tool Co., New Britain, Connecticut — the same city as Stanley Works. Union produced Bailey-pattern bench planes from c.1890; production gradually merged with Stanley (Union Manufacturing Co. → absorbed by Stanley). Two purchases: one explicitly Union Tool Co., one labelled "Union/Stanley" from the 1920s — documenting the transition period.

Dating

Union Tool Co. planes date roughly 1890–1930 by logo, frog and lateral. "1920's" in the second purchase is seller-estimated — requires verification. The transition to Stanley branding was gradual; mixed "Union/Stanley" markings are typical of the transition period c.1920–1930.

Open questions

Are both pieces the same subtype or different variants?
Logo: "Union Tool Co.", "Union Mfg", or "Union/Stanley"?
Transitioned to Stanley frog or original Union frog?