1-2 Slight wear on sharp edges of lobes. Slight wear on distal end of posterior small ridge of C 1 . No visible wear. Tips slightly blunted, distal portion of C 1 and C 1 show wear on small ridges. No visible wear.
Tips show distinct, but rounded blunting.
Visible wear on tip of most major prominences. 4-6 Flat surface of I 1 progresses into median lobe, flat surfaces progress beyond lateral lobe on I 1 and into lateral lobe on I 2 . Wear on tip of all prominences. Tip clearly flattened, 1-2 mm of tip lost. Tip of all prominences flattened.