Former habitués of Captain Americas, the restaurant on Grafton Street in Dublin city centre – once described as the “only remotely hip place in Dublin” by Philip Chevron of The Pogues and The Radiators from Space – will be able to bring home some mementos when the pop-art burger bar’s memorabilia go under the hammer. Chief among the exhibits will be the murals of Jim Fitzpatrick, the Dublin artist responsible for the iconic two-tone depiction of Che Guevara seen on T-shirts around the world as well as Thin Lizzy artwork and a vast corpus of Celtic fantasy art.Overheard can understand why the works won’t be carried on to the New York-style bistro planned to succeed Captain Americas: they feature enormous comic-style depictions of the hero himself angrily bashing Nazis. “I had a pedigree of doing crazy stuff,” Fitzgerald told Overheard. “It didn’t take much to get me going.”As a comic-book fan, he wanted to pay tribute to Jack Kirby, creator of the Captain America character, and came up with panels - first in 1971, and later the largest one in 1980 - as a compilation of Kirby’s Marvel work, channeling his aesthetic without making a direct copy. He later met Kirby, who was baffled by the existence of a restaurant named after his creation in Ireland of all places.They are executed on chipboard in hardwearing emulsion paint to stand up to footfall and chip fat. “I’m staggered at how well they’ve lasted,” Fitzpatrick said.One of the murals in Captain Americas, Grafton Street. Photograph: Jim Fitzpatrick As to who might buy an enormous Captain America artwork, he isn’t sure. “I don’t expect to see it any national collections,” he said. “But I’d love to see them somewhere kids can see them.”Site-specific artwork in the upstairs rooms of Grafton Street buildings has sometimes been the cause of legal trouble. Six Harry Clarke windows installed down the street in Bewley’s Cafe in 1928 were the cause of a years-long court case over ownership, with the Supreme Court being required to rule earlier this year on whether they were a part of the building (and thus the property of the landlord) or of its contents (and the property of the tenant). No such difficulties arise this time. The works will be part of an auction planned in association with Julien’s Auctions of Beverly Hills, a pop-culture specialist. Interpreting the Battle of the BoyneIt’s been almost 11 months since Overheard was last reminded of the outcome of the Battle of the Boyne and we have gone hazy on how it all ended, illustrating one danger of the annual commemorative parade as a memorial device. Luckily, there are plans to improve the year-round “visitor experience” at the site of the clash in Co Meath.Ireland is, of course, a shared island with multiple traditions, a fact absorbed by governmental bureaucracy through the Shared Island Initiative, which intends to “build consensus around a shared future”. Cue immersive King Billy content, in the wake of a €10 million grant for the wider project. Oldbridge House and estate is the site of the Battle of the Boyne. Photograph: Alan Betson/The Irish Times