Trooper554877 has just drawn my attention to a W.Watson and Sons No 32 Mk1 scope that has been listed today for sale in Australia on used guns
1944 Serial number 14314.
Listed with what appears to be an original mount. Scope caps are numbered C351 and C352
Full details can be found by following the link below
used guns
Price is AUD$2500 which at todays rates equates to USD$2410. GBP£1569 and CAD$2515