This is a very rare coin in any grade and it is especially difficult to find examples in such a high grade as this one.  The coin is a Greek Lepton of 1833 under the Ruler Othon.  The Lepton is NGC CERTIFIED MS 64 BN - a great example of this regal copper coinage of Greece.  The item is labeled by NGC as "1833 GREECE LEPTON - MS 64 BN - 4378386-010" -  by NGC which is one of the most respected coin certification services - the coin can be viewed in their database under the certification number which is 4378386-010.  Grading is based on NGC Certification Grading - please review the provided photographs of the actual coin.  Shipping via the U.S. Postal Service is $9.95 and includes Postal Tracking / Insurance. Thanks for looking!