Lot no. 263

1938, Caritas 10-50s. as imperforate essay block (essays 39,5x50 mm) with old hand-gumming on reverse. The imperforate essay block is printed with black and yellow ink (the left side, where there is no yellow underprint, is black, see Eesti Post No.54, p.17). Horizontally folded between stamps, otherwise fine. Fits nicely to the preceding lot, making a matched pair of imperforate proof and imperforate essay. Only 2 imperforate essay blocks of 1938 are known to exist