Here are four different CD 247.5's -- Unlike the smaller pieces, these do not seem to be quite as available, especially in colors. Actual postage additional (Two could potentially fit in a flat rate box)

Great amber color! Marked 1964 around a EHD in a diamond logo, just a tiny base flake (excellent) -- Great power in color. $110.00 (SOLD)

Very cool light olive green -- marked inside the skirt with an M in a large circle -- flat 1.5" base chip on back -- unusual color for these -- $35

ice green -- Marked 1967 around a EHD in a diamond logo - couple nibbles around the sharp base edge -- $25

ice green -- marked CAEAAHOB CCCP // WCC-10 "insulator logo in a C" 1971 -- very cool to see an insulator marked CCCP! Excellent condition $35 (SOLD)