US 1901-1940- Mint Stamps
Scott# 768a “BYRD ANTARCTIC EXPOSITION” SOUVENIR SHEET SINGLE, MINT, NGAI
US 1901-1940- Mint Stamps
Scott# 768a “BYRD ANTARCTIC EXPOSITION” SOUVENIR SHEET SINGLE, MNH, NGAI
US 1901-1940- Mint Stamps
Scott# 768a “BYRD EXPEDITION” VERTICAL GUTTER PAIR, MNH, NGAI
US 1901-1940- Mint Stamps
Scott# 768a BYRD EXPEDITION HORIZ. PAIR W/VERT. GUTTER MNH-NGAI
US 1901-1940- Mint Stamps
US 1901-1940- Mint Stamps
US 1901-1940- Mint Stamps
US 1901-1940- Mint Stamps
Scott# 769a “YOSEMITE” BLOCK (4) WITH HORIZONTAL LINE, MNH, NGAI
US 1901-1940- Mint Stamps
Scott# 769a “YOSEMITE” BLOCK (4) WITH VERTICAL LINE, MNH, NGAI
US 1901-1940- Mint Stamps
Scott# 769a “YOSEMITE” CROSS CENTERLINES BLOCK (4) MNH, NGAI
US 1901-1940- Mint Stamps
US 1901-1940- Mint Stamps
Scott# 769a “YOSEMITE” HORIZ. PAIR WITH VERT. GUTTER, MNH, NGAI