Originally Posted by
unworthy1
the mark on the bottom bracket tells us it was built by Biemmezeta (BMZ) a big contract-builder in Italy. They have done a lot of quality frames for many brands (as well as shops) but never a Colnago,
AFAIK.
BTW, the Shamrock has 3 lobes (St. Patrick used it to teach the Trinity, according to legend), a 4-leaf clover might have been Automoto if this was French (not) or Alfa Romeo if this was a car (also not)...what bicycle house brand it might be is still out there.
Now that's something I never knew, Unworthy1. Thanks for the correction, the way you've explained it means I won't forget now.
Sounds as though Biketothemoon is building a brilliant bike for himself 'down under'