Spotted these in two small lots offered by the same eBay seller, so I laid in the weeds and sniped 'er down.
Rimless circle cancels are moderately scarce, rimless oval cancels considerably more so. I also like the use of the archaic term "PHARMACEUTIST" rather than druggist or pharmacist.
Note the different font size used on the lower left 4c Proprietary.
Interestingly enough, I already had an example of a similar cancel on a 2-cent Proprietary orange (R14c), but that one had a different street address from these.
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Posted 07/07/2015 10:02 pm
Newly listed items on eBay by revenuecollector. 
WC015 RSA SOUTH AFRICA STATE THEATRE PRETORIA MAY 23 1981 FDC FIRST DAY COVER
US REVENUE SCOTT R64B 60C INLAND EXCHANGE PART PERFORATE HUGE MARGINS!
WC008 RUSSIA USSR JULY 27 1977 MEN SHIPS AND SEA 10 KOPEKS FDC FIRST DAY CVR
0686 GREAT BRITAIN SCOTT 138A 1SHILLING RED AND DEEP GREEN USED SCV $70
EASTER SEAL THE LUTHERAN HOUR 1951 NH BLOCK OF 4
