Hi stamperix. Stamp smarter is my go to source For the Washington's like this. I did use this before I posted the question. Just wondering I am on the right track
Apparently all 491's are printed on a slightly yellowish paper. A stamp expert told me this. What are your thoughts?
As I responded to your previous post, please explain your process, in detail, as to how you conclude what the stamp is. To better help you to help yourself, knowing where you're making mistakes helps those trying to help you.
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