Need Help Identifying These

Travis George

These 6 puzzle me. If y'all can help me identify I would greatly appreciate it. Thank you

Jerold Backstrom

Top left are Russia Scott 251. Top right is Ukraine Scott 3.
Bottom left is Russia Scott 131. Center is Russia Scott 181. Right is Papua New Guinea Scott 66

Lee J Coen

Would like to see a better pic of the lower right stamp..looks nice

Travis George

Thanks for sharing of your knowledge Mr. Backstrom. I will be sure and add a clearer pic of that one when I get in today Mr. Coen

Travis George