Lots 337 - 338, Catalogue of Auction #55 Raritan Stamps, Inc

Lot   Cat.#
337 **   C6A

Air Post stamps

1927, black surcharge "Servico Aereo" 500r on Official stamp 10r gray blue and black, block of four, very fresh condition, full OG, NH, F/VF and scarce, only 200 copies were printed, APEX certificate for block of 12, this block of four originated from the top right corner, C.v. $1,600 as hinged singles
338 **  Mi C1-7
1927, Syndicato Condor issue for Government Air Mail Contract, complete set of seven, blocks of four, full OG, NH, VF, C.v. ?400++