Yeah, I said "I'm showing up at 10 with $300". No haggling. I'm not worried about the stem - it's already budged a tiny bit, but I want to soak it a bit longer to minimize extraction marks. For dating it, I'm going by this guide:
...
1971
- Fork crown semi-sloping, flat front and back with two holes in the points at each side and clubs in top
- Fork tangs narrow, no cutouts (rarely no tangs)
- Club cutouts in all three lugs but club in lower head lug is now larger
- Hole in lower point of seat lug (last year)
- Bottom bracket shell with club cutout
1972
- Black Club/COLNAGO decal on head tube/seat tube (two seat tube Worlds bands) and COLNAGO on down tube
- Fork tangs with two holes (rarely three hole tangs or no hole tangs or no tangs)
- Derailleur cable guide braze-ons top of bottom bracket shell
- Water bottle braze-ons on down tube
1973
- Wreath seat tube decal with Worlds band at top and bottom
- Fork crown with clubs in top but no holes in each side
- Fork tangs with club cutouts (rarely two hole tangs or no tangs)
- Club cutout in lower head lug only
1974
- Shifter braze-ons on down tube (available as option before this)