The cross was based on a reliquary from Krakow

Replica. Double-shelled oval brooch type P51 – Late Oseberg. Dating of: IX-X th. Place of discovery: 1. Rus: (Bolszoje Timieriewo), Gniezdowo; 2. Denmark: Hadeby; 3. Sweden: Birka (grave 566, 625, 507, 630, 605, 1159, 954, 846, 1062, 967, 860, 838, 963, 1087, 750, 511, 964, 60, 543, 838, 703, 1080, 639, 961, 791, 644, 505, 846, 823, 836, 660, 390, 633) Tuna, Alsike. All Viking Area’s: 1000 copies. 4. Norway: 469 copies from 310 finds. Hovden, Nordheroy, Drivstuen, Rise, Gran, Vang, Prestegarden, Selsoya, Horg, Bredvoll, Oie, Loneim, Saur, Myrslo, Naustlandet, Huseby, Malmo, Byneset, Aasen, Fuglem, Eiden, Oksvold, Tuna, Alsike.