I looked at the ones Jim bought. IIRC I've seen three types (no choil, small choil, and large choil).

I've seen the "large choil / fuller" version most often.

JYD #123 The great one formerly known as Architect.

I am now a fictional British television police officer (currently a Detective Sgt) at Thames Valley Station. My governor is Detective Inspector Fred Thursday and it’s 1969.