This is a rare Roman silver ring with an early Christian Chi-Rho monogram. The monogram is cut into the bezel. The Chi Rho is one of the earliest forms of christogram. formed by superimposing the first two (capital) letters Chi and Rho (XP) of the greek word ΧΡΙΣΤΟΣ (Christus). The Chi-Rho symbol was used by the Roman emperor Constantine I (r. 306-337) as part of a military standard. In pre-Christian times, the Chi-Rho symbol was also to mark a particularly valuable or relevant passage in the margin of a page and some coins were marked with a Chi-Rho. Material: Silver Weight: 4,18 grams Date: Late Roman, 3rd – 4th century AD Measurement: overall: 24 x 23 mm, ring size: 22 mm (USA 13) Condition: Good, traces of age, repair from the past, see photo's Ringbox included. International registered Delivery. Provenance: The Supplier warrants that it has obtained this lot in a legal manner. Previously the property from a French art dealer; acquired on the European art market in the 1990s Important information: The Seller can prove that the lot was obtained legally, provenance statement was seen by Catawiki. Important information. The seller guarantees that he is entitled to ship this lot. The seller will take care that any necessary permits will be arranged. The seller will inform the buyer about this if this takes more than a few days.