unmounted mint 15c Indigo (227), T. imprint and plate No. 22 strip of six with imperf. half arrow at R., immense 22 mm selvage, gorgeous intense deep rich color on very fresh bright crisp paper, brilliant o.g., never hinged, fine-extremely fine, containing four extremely fine 'gems' (one is the natural s.e.) with 'jumbo' margins, Scott retail (as six never hinged singles) $1,650.00+ photo