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Paper long boxes and digital issue four
A long box can hold Avengers issue 4 in paper while a digital NFT edition of issue 4 never entered the ledger. Gap reviews that mix formats in one column will report a complete run that is only complete on cardboard.
Keep two columns: paper and digital. Tick each independently. A facsimile NFT that reprints paper issue 4 is still a digital row, with a reprint flag, not a substitute tick in the paper column.
Collectors who also archive marketplace PDFs, including Binance NFT marketplace receipts they already downloaded, can place those dates beside the digital column. The receipt is a timestamp, not proof that the paper copy exists.