RAISING FIAT for REFINANCING using Barbaric Yellow Rock is important  "final option" !
The gold was sent to be used as collateral, likely for securing loans or financial swaps in the London Bullion Market. This move was aimed at generating returns for Argentina
The 3 tonnes collateral in London is 5% of BCRA’s total reserves of 62 tonnes. There is always a risk gold abroad can be frozen, as happened most recently with 30 tonnes of Venezuela at the Bank of England.
gold-eagle.com/article/argentinian-gold-reserves-arrive-london Ops self-custody !
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