Just go a notice that my trophies are ready for shipping from SA. The bill includes "Currency Adjustment Factor" for $43 US. What the,exactly, is this?
That is a fine way of stating that: You were quoted in USD at a point where the exchange rate was 6.8 and it is probably 8.3 today (I'd guess).
Interpretation. "We will not be shorted due to volatility in our currency"