Requesting Info on the "so called" 1827 / 5 Bust dime?

I picked up an 1827 Bust dime last week that came with an old INS photo certificate that indicated it to be the so called 1827 over 5 variety. After talking with someone I know, they informed me that apparently this variety has been questionable and not listed in any of the major publications. However, he did mention that supposedly most typical examples have evidence of repunching on the top left of the 7 as well as the lower left base of the 7 which this coin does. But that thier are only two confirmed very early die states of this variety that show additional parts of a something to the left of the 7. This coin has what looks to be a part of another digit just to the left of the 7.
If anyone has any additional information about this coin and whether its worth investigating further, please post or PM me? Thanks
If anyone has any additional information about this coin and whether its worth investigating further, please post or PM me? Thanks
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Comments
"Variety 1 is easily distinguished by the recut digit 7 in the date. Three early die state specimens of Variety 1 are known with additional recutting, even farther to the left, but it has yet to be determined whether the remains are that of a digit 7, 6, 5, or some other number."
The authors state Variety 1 is rarity level 2 (fairly common).
Specialists may be able to give you more information about this variety. For assistance, you might consider joining the Bust Coin Forum:
Forum Link
yes I have the Certificate.