PCGS Crossover Special: A One Time Offering?

Was the February 2017 crossover special a one-time thing or does PCGS make similar offerings from time to time?
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Was the February 2017 crossover special a one-time thing or does PCGS make similar offerings from time to time?
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I remember this special at least once a year for the last couple years it seems...ask the @Wabbit2313 ...it's his favorite QS
Thanks!
@Wabbit2313 - Is this something that happens predictably? When are we due for another PCGS crossover special?
Wait till this quarter is over (9/31), PCGS usually comes out with the new special in the first week or so...and they're pretty random. From what I have seen over the past few years, they try to target specific segments or business goals, so there is no real pattern.