stampavalanche: You will have to post a much better photo of the 10 kop.The inverted background types are in the very small details . What we know for the moment is that the 10 kop is from the 1903 issue ,Vert. laid paper. Inverted backgrounds in this issue (10kop) are not scarce. As for the 1889 issue (horiz. laid paper) of the 7 kop;it does not have an inverteed background.
The pics are still very poor. If there are small dots in the upper portion of "pochtovaya marka" then it is an inverted background type. From what I can make out ,it looks like it. Example of an inverted type:
You need MUCH better scans to get help from this group.
This topic has been discussed many times, and is one of the more difficult to understand. You should review this older thread for some examples and detailed discussion: https://goscf.com/t/12645
Thank you all for your help. I'll refer to the threads on the subject and I apologize for the poor images. I have an LG phone that takes poor images even with added apps. Best wishes, Jonathan
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