Ref: DR13808
- £295.00
India. (Burma). 1915. Stamp-less envelope addressed to England endorsed 'O.A.S.' (On Active Service) with 'Experimental P.O.R.' double ring on reverse with framed horse-shoe 'Experimental P.O.R./ Due/ As' on face and 'T' hand-stamp erased and London/Paid transit '5th Nov' in red. Scarce Experimental Post Due cachet. Very little is known about these scarce mark. Ex Proud maybe Unique.
