Broken-rib patterns
1/45 B Sicilia
1/21 B Malta
1/41 B Ibiza
1/29 Krete
1/09 B Norderney
1/38 B Rippe Type K
1/126 B Larnaka
1/124 B Taro
1/316 B Pennsilva
2/150 B Vosges
1/37 B Rippe Type J
2/56 B Garonne
2/87 B Ohio
2/30 B Havel
2/107 B Mekong
2/106 B Amur
2/108 B Indus
1/347 B Fort-de France