cover BARTFELD: fine 1775 E. to Baron Haller "..Generall d'Artillerie" at Gyöngyös showing a superb strike of the very rare "(Crown)/BARTFELDT/(Posthorn)" pictorial h.s., also three later straight line types on E.L., E. and XU5 (1823-44). 82A/b/c/d/, 1480p. Photo