[Lorrie]

Hi
I don't know how small you want but there are several half-check collars here and I'm sure you could email them to find out if they adjust to a small enough size.
https://www.pettreatsnottingham.co.u...hoker_129.html
http://www.dog-online.co.uk/p209/Hi-...duct_info.html
http://www.ultimateanimals.co.uk/cgi...=-1&TB=A&SHOP=

If money is no object, here are some leather ones:
http://www.showleads.co.uk/collar_de...Check%20Collar
http://www.annrees.co.uk/Items/CL-1-ADJHALFCHECK-PARENT (apparently they will make/size to order)