Dating stanley block planes
This approach doesn't guarantee that you'll date your plane correctly, as the flowchart can be thrown off by some hybrids.
The following condition ratings are used to qualify and describe items in a general manner.
Another telltale sign of the defiance plane is the flat sided reddish tote.
That lateral adjuster on a Stanley made Handyman series plane.
I've chosen the bed as a starting point because it has many easily identifiable markings, and it probably wasn't replaced that often.
Unfortunately, many plane types share the same bed markings, so other features are also used in dating.
That lateral adjuster of a Union looks like the early twisted Sargent, but with a washer type guide like the Ohio Tools or Stanley.