I inherited a bunch of old reloading equipment (VERY OLD ) & some odd to me cartridges. Can you tell me what this round is? On the base of the round is a VI at the top, 18 on the left edge, 87 on the right edge. Some sort of flower on the bottom. At least that's what it looks like to me. Attachment 307720Attachment 307721Attachment 307720Attachment 307721