Los-Nr. 783

1877, Alfons XII. 25c. blue resp. 1881 Alfons XII. 5c. violet-blue, each tied by pre-philatelic straight-line "GUAYANILLA" to folded letter to Puerto Rico, 5c. with vertical fold, otherwise fine, in addition loose 25c. blue with part of straight-line, certificate Graus (for 5c.)