Hi All,
The Russian 1891/30 Mosin Nagant Socket Bayonet also had a cruciform shape
As did a lot of Austrian and other Russian bayonets
Just google
Russian/Austrian Cruciform Bayonet
Here is a link the Mosin Nagant bayonet
http://worldbayonets.com/Bayonet_Ide.../Russia_2.html
Regards,
Ken