on Ebay, £7.99!! Seller's from Bexleyheath so I'm assuming a Charlton supporter.
CHARLTON ATHLETIC v COVENTRY CITY 2016-2017 RUBBER PIG PROTEST. THROWN ON PITCH | eBay
can't really disagree with your assessment, but I'm still hoping there's something in the rumours which tells you a) how desperate we are and b) how gullible I am!