Remarks: Raking sima tile backers. 1st fragment (smaller): Nail holes, Diam 1.8. Dist between hole centers 27.3. Flange, Th ca. 3, D 14, H undercut 3. W raised side edge at front 3, behind cutout indentation 6.5, + 1st half boss 8, between bosses 3.5; D cutout indentation 12.5, W 3; D at rear boss 13.5. Tile thickens toward flange end to allow undercut. H raised side edge inner 5, outer 9. 2nd fragment (larger): W raised side edge behind cutout indentation 4.7, at opposite end 3.1; W cutout indentation 2; W half boss 3, D 7, W between keyhole-shaped boss behind sima vertical plaque and half boss15.5, Dist between 2 half-bosses 20, Dist between 2 keyhole-shaped bosses 22.