1919, USA Offices in China,  Scott K10. 20¢ on 10¢ orange-yellow NO GUM., bright color,  Very Fine, certificate  2016 PF. No 537765. Estimate $100 – 200. (Image 1) (Image)

2003, NASA tribute to Columbia astronauts 5 troy ounces, 63mm,  silver medal, 0.999 fine unc (Image 1) (Image 2)

(Image)

1907, USA. FR. 91 $5. Large Five Dollar The Pioneer at center. Andrew Jeckson at lower left  Red serial numbers. Ornamental "V" at left. S/N M34131734. EXTREMELY FINE (Image 1) (Image)

1922, USA $20 Gold Certificate FR-1187. George Washington at center.Legal tender clause and "XX" at left. Great Seal. S/N K55640092. EXTREMELY FINE (Image 1) (Image)

1917, USA. FR. 60 $2. Large Tow Dollar Capital Building at center. Thomas Jefferson at upper Left Red serial numbers S/N D23166994A. EF. (Image 1) (Image)

1906, USA. Fr. 1181 $20 Gold Certificate Choice New. A very pretty note, and a less common signature combination. Only around three dozen examples are known of this number in all grades combined, S/N B9723440 and this bright, pretty piece is likely one of the better ones.   AU. (Image 1) (Image)