Lot 737 Latvia

1924 (2 Jul) Airmail plain registered envelope sent airmail express RIGA to Prague bearing 10r & 20r triangle airmail imperf & 10r perf triangle each tied RIGA CDS cancels and Mit Luftpost befordert. / Konisgsberg (Pr.) 1 cachet in red, and other airmail h/s's, labels on the obverse, very pretty.