Ritchey chain rings black and Onza Porcupine 2,1 blackwall

[FASN]

Hello all,
for my current project I´m looking for:

Ritchey chain rings black / NOS or mint condition wanted

Onza Porcupine tyres blackwall / first series / 2,1 / NOS or mint condition wanted

Please check your parts bin and make me an offer ;-)

Many thanks for your help.

Cheers,
Timo