How early was this sacrificial system known?

Answer

"By faith Abel offered unto God a more excellent sacrifice than Cain, by which he obtained witness that he
was righteous, God testifying of his gifts." Heb. 11: 4. See Gen. 4: 3-5; 8: 20.

To whom did this promised seed refer?
What portion of this period was to reach to Christ, the Messiah, or Anointed One?
Where did Moses command the Levites to put the book of the law which he had written?
What does the Papacy set forth as the mark, or sign, of its power and authority?
Is there any evidence that such an image will be made?
What was to occur under the fourth trumpet?
By what figure does the Bible represent death?

Questions & Answers are from the book Bible Readings for the Home Circle