I like the idea of a Cuthbert air pistol, sort of opposite to a Dennis the Menace gun, but it’s an English name with a bit more macho character.
Here’s the answer:
http://i135.photobucket.com/albums/q...ps30af1576.jpg
I found it on an Argentinian website here http://articulo.mercadolibre.com.ar/...arg-cal-45-_JM
Argentinian made airguns are few and far between, and this seems to be as good a site as any for finding them. I see a couple of Shark pistols are on offer. Occasionally a Mahely air pistol (Webley copy) turns up. However, I‘ve never tried importing an airgun from Argentina, so I don’t know how risky it might be.