Australia #4 1913 2 1//2d Indigo, on Cover, "U.S. CHARGE TO COLLECT 10 CENTS" and Circular "T 10 CTS" Handstamps Indicating Postage Due

Single on cover tied by indistinct postmark to Richmond, California, "T 50 CTS." in circle and "U.S. CHARGE TO COLLECT 10 CENTS" handstamps, paid by vertical pair of JQ3 tied by handstamp cancel and purple "THIS LETTER WAS POSTED INSUFFICIENTLY PREPAID. PLEASE ADVISE YOUR CORRESPONDENT TO INQUIRE OF LOCAL POSTMASTER CORRECT RATE OF POSTAGE ON MATTER OF FUTURE DESTINATION" auxiliary handstamp, both on reverse. The stamp with corner creases.