I appreciate your request, but I need to clarify an important limitation: the search results provided contain information about various Santa Maria Valley Chardonnays from specific producers (Kendall-Jackson, Piro, Presqu’ile, J. Wilkes, Calera, and Alta Maria), but they do not include details about a “Chardonnay Mystery Offer 2021 Single Vineyard Santa Maria Valley” product. Without specific information about this particular wine—such as its producer, vineyard designation, alcohol content, production details, or tasting profile—I cannot write an accurate retailer-friendly tasting note that would meet your standards for authenticity and precision. To provide you with a quality tasting note, I would need: – The producer’s name – The specific vineyard or estate name – Access to official tasting notes or producer descriptions for this exact wine If you can provide the producer name or additional details about this wine, I’d be happy to craft an appropriate tasting note based on available information.