Autographs of John Duncan

The most expensive item with a signature of John Duncan (original BATMAN personally signed 10x8 - John Duncan - ROBIN) was sold on eBay in October 2012 for £29.99 while the cheapest item (SUPERB SIGNED 10x8 GLOSSY COLOUR PHOTO JOHN DUNCAN SCOTLAND TOTTENHAM DUNDEE) found a new owner for £0.99 in May 2020. The month with the most items sold (6) was February 2020 with an average selling price of £0.99 for an autographed item of John Duncan. Sold items reached their highest average selling price in June 2017 with £19.99 and the month that saw the lowest prices with £0.99 was September 2015. In average, an autographed item from John Duncan is worth £1.70.