10c Contract, Ultramarine, Part Perforated (R34eb).
Horizontal pair, huge imperf margins, neat oval handstamp cancel, single short perf at right, otherwise Fine, this is the unique multiple
according to the Curtis survey and is illustrated on The Curtis Collection website, listed but unpriced in Scott, Scott retail as two singles, with 1998 A.P.S. certificate
Image Magnifier / Download
Power Search for Comparables