unused Block of Four 5c Trans-Mississippi (288), B. imprint and plate no. 614 block of four, deep rich color, full o.g., some perf. strengthening between T. and B. pairs, average centered, T.R. stamp has trifle heavy natural paper wrinkle (will currently be called a 'crease' by the P.F.), otherwise very good-nearly fine, Scott retail $1,300.00 (or $570.00 as imprint and plate no. pair and two singles)