Sterling Viking Runes Sz 5.5

Ancient Viking Germanic alphabet runes design, figures imprinted on ring. Inside of ring, the number 925 and a stamp that looks like a house, shaped mark. Looks like"PT"?, the notation 925 indicates the number of parts per 1000 that are sterling silver. Estimated weight 1.5 Grams, on this ring. This is all estimations since I am not a jeweler, but I'm doing my best. Approximate measurements: 3/4"round, 1/18th of an inch high, 1/16th thick. This item is pre-owned and is in excellent condition size 5.5. Loc#1