"In a context in which the country is having a difficult time from an economic point of view, the word 'dollar' is on everyone's lips," he told AFP.
Argentines have been living under exchange controls since 2019 as the government seeks to shore up foreign reserves.
The rules have become increasingly strict, to the point where each individual is allowed to buy no more than $200 a month.
The unusual find in Las Parejas has also given rise to numerous memes, including one of President Alberto Fernandez and his deputy Cristina Kirchner digging in the rubbish for cash.
