Posted 06 January 2014 - 23:49
I'm thinking navy gray based on the pencil in the set.
The pencil is a Parker 51 repeater pencil, which wasn't introduced until 1948 along with the Aerometric fountain pen, but as you said apparently a few nassau green Aeros were made for export.
Edited by Florida Blue, 06 January 2014 - 23:57.
Parker: Sonnet Flighter, Rialto Red Metallic Laque, IM Chiseled Gunmetal, Latitude Stainless, 45 Black, Duovac Blue Pearl Striped, 51 Standard Black, Vac Jr. Black, 51 Aero Black, 51 Vac Blue Cedar, Duofold Jr. Lapis, 51 Aero Demi Black, 51 Aero Demi Teal, 51 Aero Navy Gray, Duofold Pastel Moire Violet, Vac Major Golden Brown, Vac Deb. Emerald, 51 Vac Dove Gray, Vac Major Azure, Vac Jr. Silver Pearl, 51 Vac Black GF Cap, 51 Forest Green GF cap, Vac Jr. Silver Pearl, Duovac Senior Green & Gold, Duovac Deb. Black, Challenger Black, 51 Aero Midnight, Vac. Emerald Jr., Challenger Gray Pearl, 51 Vac Black, Duofold Int. Black, Duofold Jr. Red.