Polish ribbons query
 

Would any knowledgeable medal ribbons collector know if these 2 Polish ribbons are of faulty manufacture or if they are OK?
Comments appreciated

GTB

I have another ribbon for positive i.d., please.

I believe it is either Polish or Czech

Thanks
GTB

Ribbons
 

The weave looks Czechoslovakian .this link may be of use http://www.medals.org.uk/czechoslova...akia-links.htm
and this one if Polish http://www.medals.org.uk/poland/poland-links.htm

Thanks macandpud, I have definitively identified ribbon as for 30 years of People's Poland Commemorative Medal.

GTB