1841 1d Red-brown A VFU single from this DIFFICULT plate, with four close(SW)-to-VERY LARGE margins, cancelled with a FINE almost COMPLETE strike of the IRISH JOHNSTOWN (Kilkenny) MALTESE CROSS - unlisted SG, but illustrated by Alcock & Holland, and template kindly prepared and supplied by...
the height or area of the peak could be used empirically to determine how much template (i.e. bisulfite-treated gDNA) was initially present. The bigger the peak, the more DNA was initially present.