Boss kit / hub spoon?

[j.c.ka]

hai, i need explanation on original boss kit spoon...
spoon boss kit have any stamp "spoon" on it to prove that it's originally spoon part coz the design same like universal@aftermarket bosskit...:hmmmm:

help me to justified

extra photo to see the stamp "spoon"...

 

[loose_end]

I don't know about spoon stamping but how's the material

 

[j.c.ka]

still aluminium...