Section 61. The commissioner shall keep a record of all sales of real property under section fifty-six and of all redemptions of such property. The record shall set forth the tax for which any such sale was made, the dates of seizure and sale, the name of the party assessed and all proceedings in making such sale, the amount of expenses, the names of the purchasers and the date of the deed. A copy of such record, or any part thereof, certified by the commissioner shall be the evidence in any court of the truth of the facts therein stated.