Probably from the French Tonkin campaign of the 1880s.
Large, heavy single-edged example with iron mounts.
With fine twist-core pamor and carved wooden scabbard.
With exceptionally wide blade, forged with a hardened leading edge.
Once part of a trisula, made on Java in the 17th century.
A fine example with silver overlaid spearhead and silver ferrule with niello inlay.
Modeled after the Chinese "guan dao", made of lacquered wood.