Herennius Etruscus Billion Tetradrachm Ngc Slabbed Coin High Grade Rare.Coins of his are rare.The Ar.Antoninianus are buy far the most commonly seen coinsAnd go for 65.00 to as high as 145.00 from honest people. Which is slim on ebay.Hes on page 394.in aorta.The Bible of coins  in my study.Shows he's coins over 8 years selling on ebay.To be 329 coins.Coins of him as Augustus are verry verry Rare.This coin is a silver billion tetradrachm. AND did weigh in at 12.29 grams which is heavy.These were the largest of the silver coins of the time.Struck by hand buy roman mints.Syria and Antioch. Which done the most.Coins of he's as Cesar are 250 or 251 Ad.And I feel this coin is under graded.Which it did get a 5 on strike which is verry rare on these large coins.2 out of five on surfaces is where I don't agree with ngc what so eaver.But hear it is you don't need coins its a huge hobby.And I'm shure ebay won't make me rich eaver.you look around on ebay before you buy he's coins you won't find silver Tetradrachm NGC Holder or choice coins of him less than mine.And if you do find one better for the grade and higher numbers say 5 and 4.At Au.You might just better buy the coin if it's priced about the same.You decide.