David wrote:

"Why have the Vineyard chips stopped selling for the prices they were commanding awhile back ? What’s up with them ? Just thought someone could tell me ? Thanks… David"

My opinion is that it has become evident that there is a virtually unending supply of these ultra-common chips, that they have little or no collector value, and that they're probably worth in the vicinity of 10¢ apiece.

Of course, I could be wrong.