Watch List notes:

The Akio Seki Collection - British North Borneo - Tenom Rubber Company Limited - 1 Dollar M unknown (LaWe 777 / SS 72 / Pridm -) - Obv. In the centre, in three lines : value + M. Legend : Tenom Rubber Co Ld / Rev. Plain - german silver 30 mm - Octagonal. Very nice patina, VF/XF / R2: very rare