1844 large cent repunched date

Kind of a neat coin. Any large cent people want to take a stab at the variety? mike 

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SPADONE 95b
al h.
N-1 1 repunched with extentions to left and right of the base.
N-2 Entire date first punched in upside down then corrected to produce the 44/81 "overdate" Entire upside down date shows on early die states. In later states it shows best from the top of the first 4 to the crosslet.
N-3 18 repunched with outlines at lower left of both numerals.
N-5 44 repunched showing clearest attop left of first 4