Changes to stamp 50872

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1 to 5 of 5

December 18, 2020, 7:42 pm UTC . . Stan Shebs . . update - wmk unset -> DBP & rosettes
March 31, 2019, 1:26 am UTC . . Stan Shebs . . update - cv -> a
August 19, 2015, 2:35 am UTC . . Stan Shebs . . update - color unset -> graygrn&blk
February 12, 2012, 7:08 pm UTC . . Stan Shebs . . update - denom 10pf -> 10(pf)
October 26, 2011, 4:25 am UTC . . Stan Shebs . . update - issue unset -> Heinrich Hertz 100th, design 9921 -> Heinrich Hertz