3 rings for the Elven Kings???????

[Amarinth]

I have a question about the Rings (Gandalf's and Elrond's.) At the end of "The Mirror of Galadriel," Galadriel tells Frodo because he is a Ring-bearer he can see what is hidden, and that is why he can see her Ring and Sam can't, but if Frodo had that ability, why couldn't he see Gandalf and Elrond's rings as well?

welcome to the barrow-downs, alien! great question...i suspect that in the case of elrond, frodo had not been too long in possession of the one ring when he met elrond in rivendell, so that his eyes were not as "keen" when he and the company were admitted into lorien. also, it may be possible that the 3 ringbearers had the power to keep the ring "hidden from sight". if i remember correctly, frodo did not immediately "perceive" nenya on galadriel's hand, and it is hinted that galadriel did "permit" frodo to see it by raising her arms towards the evening star, earendil. also, in the "the gray havens", we find the 3 ringbearers wearing all the rings in plain sight, and then it was perceived by all.