One latch for Dart Valiant convertible 63-66

Can anyone help Jonathon out? I sold him a pair of latches and the guide pins and were securely packed in a small flat rate box with packing tape over the ends. The gorillas (or a sorting machine) at one of the sorting centers somehow ripped the box open and one of the latches disappeared. I had my post office do some checking and only the receiving post office noted the damaged box - of course! Me and several friends looked while at the Nationals but it's like looking for a needle in a haystack there. Any help would be appreciated!

Thanks Don! I appreciate your help. Let's see what this will bring. Jo