Glamour doesn't have a satin finish. The matte Glamour, and all matte finishes, achieve a less shiny surface by means of a flattening agent, usually talc, that imparts a slightly white layer when there is enough of it. Satin finishes just have a little less flattening agent than matte. I found the milky quality of Glamour too strong for my work, and got by with the gloss, which is slightly less glossy than Timeless. If you use more than one coat of Timeless, you might try using gloss for the first coat, followed by a light coat of satin, because the less flattening agent, the better. The darker the background, the more you will notice the ugliness. I don't have experience with rolling Timeless because I spray it, but know the properties of clear finishes, which are unavoidable.
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