Switzerland. (Helvetian Republic - Central Postal Administration). 1798. Folded Pre-stamp letter written from 'The Finance Minister, Luzern' dated '22nd Sept 1798' addressed to St. Gallen cancelled by oval 'Helvet Repub/ E (22) .V. (23) Central Post Bureau' in red with m/s in center.
The Helvetian Republic (1798 - 1803) was an early attempt to impose a central authority over Switzerland.
Mail is very scarce with the few known items from the Edith Faulstich collection sold by Siegel over 50 years ago.