Lote 3349. RUSSIA. 6 Ruble, 1841-CNB. PCGS Genuine--Tooled, Unc Details Secure Holder.Fr-159; C-178; Bit-68; Sev-635. EXTREMELY RARE issue from a mintage of a mere 170 pieces struck. Bright and fully lustrous silvery gray surfaces which flash unbound. The noted details grade is two fold with some light thin tooling marks near the reverse denomination and date as well as a small privy mark punched between the eagle's heads (possibly a collector's mark). The only example graded by PCGS with only one other example graded by NGC illustrates just how seldom this year of issue is encountered. Estimate: $4,000 - $6,000.PCGS #464040. NGC UCID: 3GZNPCGS Genuine--Tooled, Unc Details Secure Holder.Click here for certification details from PCGS.