BGA OCB GeoCoin – TAG 148/170 loading map - please wait...Map could not be loaded - please enable Javascript!→ more information BGA OCB GeoCoin - TAG 148/170 40.407567, -3.759567 Can be traded at the event \"Welcome To Belgium\" for an OCB Tin GeoCoin for only 4 Euro. Coordinates: N40° 24.454 W003° 45.574. Click here to view more details about this tag. Coordinates: N40° 24.454 W003° 45.574. Hint: behind (left side).