From the smallest: Indian Mysore gold fanam ~5mm (my smallest coin)
Indian Travancore gold fanam ~7mm
Indian Madurai Nayaka copper unit~9mm (much smaller if not for the off centred strike)
Panama 1904 2 1/2 centesimos- officially the smallest coin with modern minting process at 10mm
Indian Travancore 1 cash -11mm
USA
Three Cents 'trime'- 13mm
