I was searching a customer wrapped roll of nickels and found 3 proofs in the same roll. two 2004 S and one 2006 S. Pretty cool finding that many in one roll.
SELLING COPPER PENNIES 1.4X FACE SHIPPED......“I sincerely believe that banking establishments are more dangerous than standing armies, and that the principles of spending money to be paid by posterity, under the name of funding, is but swindling futurity on a large scale” Thomas Jefferson
Your find though sounds like someone in the family had them at one time, and when other said family member rolled up all the coins, these three got add/mixed in.