Panama, N.Y., Jun 23 Despatch Agent (New Grenada). Postmark on folded cover to Clarksville, Tennessee, postmarked red "New Orleans, La., Jul 10" transit cds with matching "Steam" straight line and "30" in circle rate handstamp, blue "Clarksville, Te., Jul 20" receiving cds, forwarded to Solen, N.Y. with manuscript "10" rate added & totalled to "40" rate, Very Fine and rare, one of 13 recorded markings and the only recorded being forwarded. Estimate  $750 - 1,000. $0 (Image)