It's authentic piece of Dominican  Amber from the Dominican Republic features a very clear cabochon with multiple insects of medium and small size inside of it! This piece features two medium flies which are easy to see without a magnifying glass, four or more small flies which are appreciated with a magnifying glass, and even an insect leg of unidentified origin! This piece is quite beautiful and is very clear amber.
 
This piece of Amber comes from the Dominican republic, and is 20 million years old.