Heinrich Köhler Auction 380 - Day 6 Special Catalogue: Germany

1. on 3-5 pfg., 2d. on 10-20 pfg., 3d. on 25-30 pfg. and 4d. on 40 pfg., fresh colors and good perforation, tied by Gibbs type 2 cancel "*RABAUL * *Oct. 22 1914*" to registered letter with handwritten r-label "Reg'd J.D.M.", with endorsement "on active service" to Sydney, a fine and interesting letter, signed Hoffmann-Giesecke with certificate (1970) and certificates BPA (1980) and Holcombe (1991)
Reference: depicted in G.R.I. by Robert M. Gibbs, page 95