Japanese WWll Army pilot, tank crew sword in mountings, family blade

Description

This is a Japanese WWll Army pilot or tank crew sword in mountings.
The blade is unsigned
,
shinogi-zukuri
shape, Edo period ca.1650 era made blade.
The blade is in old polish, no rust, no stain and in good condition.           The temper line is wavy
gunome
with
konie
active temper pattern throughout the blade and has deep temper at the point.      The forging grain is tight
itame-hada
, no opening, no blister and no forging flaws.
The scabbard is leather  covered wood scabbard, no tear, no crack, no bend and in good  condition.     The handle is tight fit with arrow motif copper
fuchi
, horn
kashira
,
tsuka-ito
wrapping is no cut, no loose and in good condition.
Tsuba
is
marugata
shape iron
sukashi
tsuba
with nice patina.    It measures 20+7/8" cutting edge, 1+1/8" width, 6 mm thickness at the notch and 31+3/4" in mountings.     This kind of short swords was carried by Army pilot or tank crews to fit in small cock pit.     Priority mail shipping  in U.S.    No international shipping.  Paypal payment due within 3 days auction end.