I just bought this bike a Raleigh Professional 10 speed I am trying to ID year ... serial number is hard to read maybe 00Y00672 ... I am excited about this bike 10 Speed ... Any help would be appreciated Thank you

I just bought this bike a Raleigh Professional 10 speed, I am trying to ID year. Serial number is hard to read, maybe 00Y00672. 

I am excited about this bike 10 Speed. Any help would be appreciated.