Horizontals
↑ Set 552-554: Japanese Horizontals
- Made in Japan [1960s?].
- Plated steel.
- No markings. These were clearly made by the same manufacturer.
↑ 552: Japanese Horizontal
- Made in Japan [1960s?].
- Weight: 97 g.
- Overall Length: 124 mm.
- Effective size: 80x19x5 mm.
- Plated steel.
- No markings.
- From Mike Gerbman, 2025.
↑ 553: Japanese Horizontal
- Made in Japan [1960s?].
- Weight: 78 g.
- Overall Length: 119 mm.
- Effective size: 75x14x5 mm.
- Plated steel.
- No markings.
- From Mike Gerbman, 2025.
↑ 554: Japanese Horizontal
- Made in Japan [1960s?].
- Weight: 98 g.
- Overall Length: 139 mm.
- Effective size: 90x16x6 mm.
- Plated steel.
- No markings.
- From Mike Gerbman, 2025.