Schedule D / Form 8949 is an option although not the one shown on the IRS website.
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Enter on Form 8949 Use Box C or F since you don't have a 1099-B
Loss on Personal Items is not deductible so you have to enter an adjustment to cancel the loss,
the adjustment is in Col g. the adjustment code (Col f) is "L"
Gain on Personal Items is a taxable gain.
you can also adjust for expenses of sale.adjustment code is "E".
The proceeds subtotals should add up to your 1099-K
@tonyno2
