Early Russian Stamp Help

help with identifying this Russian stamp and how much it might go for thanks
(I received a collection of stamps from a friend that passed away, they are all I guess considered classics so I've been pulling some out to look at them and to learn about them too. My friend who left them to me never told me anything about them. I'm not a collector so all is kinda new to me.
I'm not sure if there is a limit on how many post I can put up asking for information about stamps but there post that I have posted have really help me out allot thanks)

All I can tell you that this stamp was issued somewhere between 1858 and 1889. The same design was kept after 1889, the only differnce are the thunderbolts on the posthorns:




You should check the watermark. If you can spot a number 2, it`s from 1858 and it has a better CV. I`ve checked my catalogue and it says that watermark fluid is of no use, you should check watermark using light.

ok I will give the light a try

im not seeing any water mark on them