I'm looking for a box of ammo for a Nambu pistol that was brought back from Iwo Jima. A friends dad took it from a Japanese officer he killed along with the holster and "accessories". He has never seen ammo for it. I know Old Western Scrounger makes it, but its $60 a box. Anyone have a cheaper source? I thought a box of ammo would make a great addition to this piece. Let me know. Thanks.