As concerns the "Solomon" artifact, there remains, to my knowledge, no evidence outside of the biblical texts for the existence of either the Temple or Solomon himself. If either existed, they were far less grand than depicted in the Bible.
Museums warned about Bible-era fakes
"JERUSALEM - Experts advised world museums to re-examine their Bible-era relics after Israel indicted four collectors and dealers on charges of forging items thought to be some of the most important artifacts discovered in recent decades.
"The indictments issued Wednesday labeled many such 'finds' as fakes, including two that had been presented as the biggest biblical discoveries in the Holy Land — the purported burial box of Jesus’ brother James and a stone tablet with written instructions by King Yoash on maintenance work at the ancient Jewish Temple."
Israel accuses 4 of forging trove of biblical artifacts
"The forged items include an ivory pomegranate touted by scholars as the only relic from Solomon’s Temple, an ossuary that reputedly held the bones of James, Jesus’ brother, and a stone tablet with inscriptions on how to maintain the Jewish Temple, officials said."