By bne Tehran bureau Tehran’s Ferdowsi Street’s bureaux de change saw a surprise decline in the dollar rate on April 15, following Iran’s first direct targeting of Israel two nights earlier. Political tensions with Israel have influenced fluctuations in Iran’s currency and precious metal markets in recent weeks, with many predicting a freefall if Tehran and Tel Aviv go head-to-head. Still, many in the market expected the dollar price, historically a bellwether, to skyrocket due to tensions – it didn’t. Fears of further escalation and potential war between Iran and Israel drove sharp price incr…