Henry Kamen and Joseph Perez estimate that of the total Jewish origin population of Spain at the time of the issuance of the Alhambra Decree, those who chose to remain in Spain represented the majority, up to 300,000 of a total Jewish origin population of 350,000. Furthermore, a significant number returned to Spain in the years following the expulsion, on condition of converting to Catholicism, the Crown guaranteeing they could recover their property at the same price at which it was sold.