WTB: Tokina 11-16mm or Trade with Sigma 10-20+Cash

[ZeroKnowledge]

As the title says, looking to buy Tokina 11-16mm f/2.8 lens, or trade with my Sigma 10-20mm f/4-5.6 +cash from my side.

Please let me know if you have one available. Please use PM.

Thanks!