RUSSIA. 10 Rubles, 1766/5-CNB. St. Petersburg Mint. Catherine II (the Great). NGC VF-35. Fr-129a; KM-C-79a (overdate not mentioned); Bit-12 var. (regular date). Overdate variety. A clearly SCARCE and difficult overdate issue, this example features a clear "5" under the final "6" in the date. Though conveying the fact that it spent a decent amount of time in circulation, it nevertheless remains wholesome and problem-free.Read more about this item in our Coin of the Week blog post, <a href="https://www.stacksbowers.com/News/Pages/Blogs.aspx?ArticleID=german-princess-turned-russian-empress">here</a>.