Some of the most important and successful leagues also used the same currency with the same imagery, much like the Euro is now in use in most of Europe.
For some of the coins struck by the leagues, we are left with no clue as to where exactly in the federation they were minted - and so we can only say that the mint was one of several federal mints.
Modern location:
Reverse: Poseidon standing left, holding trident
Die Orientation: 6 H
Weight: 3.98 g
Reverse: BOIWTWN (upward on left), ornamented trident head upward, straight crossbar, dolphin upward on right, no control symbol
Die Orientation: 0 H
Weight: 1.92 g
Reverse: BOIWTWN (upward on left), ornamented trident head upward, straight crossbar, dolphin upward on right, no control symbol
Die Orientation: 0 H
Weight: 2.1 g
Reverse: Tripod in wreath, AΠEI-PΩTAN on either side
Die Orientation: 0 H
Weight: 25 g
Reverse: ΑΠΕΙ - ΡΩΤΑΝ - Eagle with closed wings standing right on thunderbolt, oak wreath around.
Die Orientation: 9 H
Weight: 4.32 g