Hi Brian, great score there, mate. You've got yourself a Model 430 Diplomat belt drive. The original catcher was purpose built made of hard plastic, and finding one may prove difficult.
:welcome: to the forum Brian, best wishes,
cheers2

Please do not PM me asking for support. Please post your questions in the appropriate forums, as the replies it may receive may help all members, not just the individual member.
Kindest Regards, Darryl grin