strawing is where you heat treat, heat the metal up to a certain degree and it turns the straw color. Unsure the difference, if any in the heat treating that Colts have on their frames.
Most of the strawing you see has faded to a silver color, the normal color of the metal over time.
True strawing that is has been out of the light and not roughly treated should have a faded goldish patina look to it.
Ed
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