On sale Modernist Scandinavian Sterling Pendant and Chain, 1960s

This sterling pendant, marked 925, is a great example of Modernist design. I believe on sale it is probably Scandinavian from the 1960s but unfortunately it is not marked so hard to know. It appears to be one of a kind as I cannot find any others online. It could be an abstract representation of a female form or of a cross/crucifixion. It hangs from a marked sterling chain. Truly a rare find!