ALTOS EZ MAT - Framing Mat Cutting System Board - Picture Photography $24.99 - PicClick

ALTOS EZ MAT Framing Mat Cutting System Board & Cutter, Original Box and Manual $30.00 - PicClick

Somime 10 Pack Pre-Cut 11 x 14 Black Picture Mats for 8.5x11 Photos - White Core Bevel Cut Frame Matte, Acid Free, Ideal for Frames /Artwork/Prints

VINTAGE ALTO'S EZ Mat Cutter Cut 90° Corners Easy to Use Left or Right Hand USA $26.45 - PicClick

VINTAGE ALTO'S MAT Cutting System Oval Templates & Cutter Photo Mat Cutter Kit $19.99 - PicClick

Golden State Art, Pack of 25, Acid-Free Mixed Colors Pre-Cut 16x20 Picture Mat for 11x14 Photo with White Core Bevel Cut Frame Mattes

Includes Framing Board, Cutter, Manual & original box. has a bit of a raised part on the bottom right side of board.

Vintage Alto's EZ Mat Cutting System Framing Board, Cutter & Manual original box

VINTAGE ALTO'S MAT Cutting System Oval Templates & Cutter Photo Mat Cutter Kit $19.99 - PicClick

Altos EZ Mat Framing Mat Cutting System Board for Picture Photography

ALTO'S EZ MAT Deluxe Cutter~Brass Construction~The Mat Maker $29.99 - PicClick

ALTOS EZ MAT Framing Mat Cutting System Board & Cutter, Original Box and Manual $8.00 - PicClick

ALTOS ALTO'S MAT Cutting Cutter System 4505 NEW EZ/Mat EZ Mat Picture Framing $55.00 - PicClick

VINTAGE ALTO'S EZ Mat Cutter Cut 90° Corners Easy to Use Left or Right Hand USA $26.45 - PicClick