In speaking with a restoration expert, I learned that there were a variety of address roll marks. This Bisley doesn't have the star or ampersand on the trigger bow that would usually be stamped at the factory for the conversion. Nor does it have the Rampant Horse on the cylinder breach. Colt Archives, however, advised that these stamps/markings were not always used. Anyway, I'm satisfied with the Bisley, whomever did the work.