Maybe.
You will need to claim income for the amount you receive for selling them that is over what you paid for them.
You will need to make an educated estimate of what you paid.
The profit will be Long-Term Capital Gain.
The tax will depend on other things, such as your filing status and other income.
Long-Term Capital Gain Rates are listed below;
https://www.cnbc.com/2023/02/15/heres-how-much-you-can-make-in-2023-and-pay-0percent-capital-gains-taxes.html