Redline Flight Cranks: What does the 'A' stamp indicate?

[Xeno.Efstratios]

'A' stamp? Crank pictured is a 185mm 1980's (?) dual pinch.

I can email you a dozen more pics.

 

[electronicaeric]

Welcome to the forum,but sorry I have no idea :?

 

[BENDYCAT ELEVENTEEN]

Not sure myself - may depend on which cranks

see here

http://bmxmuseum.com/forums/viewtopic.php?id=13478

welcome in

cheers B

 

[kev-s]

twin pinch ones are a mid 90's to present day crank