CD 121 110 RDP HEMINGRAY GLASS INSULATOR VNM CD 121 120 SDP FOR EXAMPLE TO TELL DIFF FOR RDP CD 121 130 BLOTTED UNDER PATENTED HEMINGRAY GLASS INSULATOR VNM CD 121 150 BLOTTED UNDER HEMINGRAY & UNDER PATENTED ALSO VNM CD 121 160 DIFF SHADE THAN NEXT ONE ?? HAS DAMGED SDP CD 121 160 BLOTTED ONLY IN FRONT ALSO VNM BUY THE RDP AND OTHERS FREE / SHIP USA ONLY ALL FOR $50 +ACTUAL SHIP COST TO USA ONLY (DISTRESS SALE)