Please help me identify this bike.

[kerking]

This random frame repaints as P21, please help me identify it. Thank you.

 

[sam_white]

The first 3 characters of the frame number are hard to read. Can you confirm what they are?

 

[bikeworkshop]

Cheap bosses and brake hanger

 

[hamster]

That extra sleeve around the seat tube top is very early-90s. The cast bottom bracket shell looks nice. I'm wondering if it's an early Orange Clockwork.
Knowing where you are would help - Orange would be unlikely outside the UK.

 

[minor_LEGEND]

Tubular cable guides under the b/b hint at handmade.