The recoverable gold on these is EXTREMELY small !
In parts per BILLION testing, the gold is almost not even THERE
And the process for separating the gold off of the coin would not be a "cheap" one anyway. Therefore, beyond the "novelty" selling points and attractiveness (or lack-thereof), they just have no value whatsoever beyond face unfortunately.
Yeah, this is just a way to make the coins more attractive to potential buyers or traders......but as mentioned, in the "coin world", they are an abomination for collectors. It's considered Post Mint damage ( PMD
Folks NOT in the know, of course will pay more for these coins, and find out down the road
that their money was spent foolishly.
So for you to receive them "as a tip" is just fine. Because that's all they are, are quarters worth .25 cents each. Someone must have found out that their "gold quarters" were valueless beyond face value and just decided to spend
them as regular quarters.......nuthin' wrong with that ! .......