Exodus 12:13 - And the blood shall be to you for a token upon the houses where ye are: and when I see the blood, I will pass over you, and the plague shall not be upon you to destroy you, when I smite the land of Egypt.
KJV definition of “token” - A mark. In pestilential diseases, tokens are livid spots upon the body, which indicate the approach of death.
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https://www.youtube.com/watch?v=-ixP5sjcfH0
I will add all the scripture I found here as soon as I get back from playing with my daughter! I love each and everyone of you deeply ???
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https://www.youtube.com/watch?v=V2RrcxiNQTM