An original A.F.0210. strap on an SOE compass sold recently (December 2019) on ebay for a strap value of about £400. This eclipses the previous record sale of January 2019. However, this strap was stamped A.F.0210., while the earlier sale was sterile.
The seller’s description refers to our website, and was :
The rear of the compass is shown below.
The compass has no markings as for all this type of compass.