Postal Savings, 1911, 10¢ deep blue, overprinted "Specimen" (Scott PS4S), o.g., never hinged, slightly disturbed gum spots; straight edge at top, Fine to Very Fine centering.
Scott $250. (Image)

Estimate $150-200

Postal Savings, 1941, 10¢ rose red (Scott PS11b, PS11c), booklet panes of 10, o.g., lightly hinged, group of four comprising three #PS11b (one normal, one each plate number 147084, 147086), plus a single #PS11c with Electric Eye markings at left, Fine to Very Fine or better, specialist's delight.
Scott $365. (Image)

Estimate $150-200

Postal Savings, 1941, 25¢ blue green (Scott PS12b vars), booklet panes of 10, o.g., lightly hinged, a trio of fresh panes, one normal, one with plate number 148243, one with Electric Eye markings on wide-cut stamps at right, Fine to Very Fine, a neat group for the specialist.
Scott $275+. (Image)

Estimate $150-200