Shop › M4 (1871) Japan 50 Sen – NGC MS61 Image 1 of 2 Image 2 of 2 M4 (1871) Japan 50 Sen – NGC MS61 $450.00 M4 (1871) Japan 50 Sen – NGC MS61. Certified by NGC, cert #8797651-014. Add To Cart Added! M4 (1871) Japan 50 Sen – NGC MS61. Certified by NGC, cert #8797651-014.