Scans of Searle's trademark scratchy caricatures, satirising the jargon of the would-be wine connoisseur. They first appeared in 1983 in 'The Illustrated Winespeak, Ronald Searle’s Wicked World of Winetasting'.
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Update: Audra, from the Vespiary, scanned and posted a wonderful selection of Searle illustrations from 'Slightly foxed but still desirable - Ronald Searle's Wicked World of Book Collecting' to Flickr.
Update 2: More Searle illustration goodness from JRSM at the Caustic Cover Critic.