In the last third of the seventeenth century the venality reached its highest quotas and these creoles yearning for social recognition had their opportunity. The huge amount of expenditure incurred by the Catholic Monarchy and some extraordinary compromise caused that the American auctions began to arrive titles of nobility. This was the time expected by the indians with sufficient capital to obtain their degree through the purchase. However, not everything is limited to a simple transaction. As the sources of the General Archive of Indias reveal, the new graduates were face with economic, bureaucratic and even prestige problems. The propose in the following pages is to explain these first sales processes and to know the amounts disbyrsed by the first peruvian nobles.