Collection of 14 different insulators cobalt blue

1. Embossing "HEMAH", "1967", "TC-III". Few white speckles, a large bubble in the front. Near mint condition. 2. Embossing "HEMAH", "1967", "TC-III". Light cobalt blue. 3. Small letters embossing "HEMAH". Dark cobalt blue. 4. Embossing "I" at dome. Many tiny bubbles. 5. Small letters embossing "HEMAH" and "II" at dome. 6. Small letters embossing "HEMAH" and "4" at dome. Zillion tiny bubbles. 7. Embossing "HEMAH", "1967", "TC-III" and "4". 8. Embossing "1" in circle. 9. Embossing "HEMAH", "4". Up side down embossing "1967", "TC-III". 10. Mirror image "4" embossing at dome. 11. Embossing "II" 12. Embossing "C3H" in circle and "III". Dark cobalt swirl. Stolle notch. 13. Cobalt purple insulator. Embossing "C3H" in circle and "III". Stolle notch. 14. High and narrow light blue without embossing.

Additional photos upon your request.

Price $500 shipped.