Barbados SG52 (1d) Blue Clean cut Perf 14.5-15.5 Mint Pair RARE RPS Cert

1872 Watermark Small Star Clean-cut Perf. 14 1/2 to 15 1/2 (1d.) blue horizontal pair unused with part original gum. small tone mark at lower left corner otherwise fine. A scarce multiple with only a handful of such multiples listed in Roett. R.P.S. Certificate (2010). Cat 650+