BGA OCB GeoCoin – TAG 028/170 loading map - please wait...Map could not be loaded - please enable Javascript!→ more information BGA OCB GeoCoin - TAG 028/170 51.439783, 3.575250 Can be traded at the event \"Welcome To Belgium\" for an OCB Tin GeoCoin for only 4 Euro. Coordinates: N51° 26.387 E003° 34.515. Click here to view more details about this tag. Coordinates: N51° 26.387 E003° 34.515. Hint: information board.