U.S. & Worldwide Stamps & Postal History

1865 (22 Apr) outer FL franked with Russia 10k brown & blue (perf. 12 1/2), tied by "661" numeral in truncated triangle of dots in blue and addressed to Riga, with oval "Post-Romerkaln 18" (date and year date filled in by hand) departure handstamp, also in blue, applied on back, with Riga arrival alongside, vertical filing folds, one through the stamp, rare usage from Romeskal, especially with the blue cancels
Estimate: $500