On the block is my Perazzi MX3 Special top single barrel 32 inch serial number 68060 data manufacturing AP or 20001 with MX3 Special taper ramped rib that is cross filed rib is higher than MX8 ribs. Barrel is mark 18.4 .728 ⊙ choke .028 .700 KG1.650 Asking $1,895.00 plus shipping and insurance. If you have any questions or need more pictures pleases PM. Thanks Sgoose