original: The name was originally used in reference to pesos oro (gold weights) or pesos plata (silver weights).
simplifications: The name was originally used in reference to pesos oro or pesos plata. The name was used for pesos oro or pesos plata. The original name referenced pesos oro (gold) or pesos plata (silver). The name was once used in reference to pesos oro or pesos plata. The name originally refered to pesos oro (gold weights) or pesos plata (silver weights). The name first referred to pesos oro (gold weights) or pesos plata (silver weights). The name was originally applied to gold and silver weights. The name originally referenced gold weights or silver weights. The name was first used in reference to pesos oro (gold weights) and plata (silver weights). The name was initially used in relation to pesos oro (gold weights) or pesos plata (silver weights).