Sc:  1685 American Chemistry Society. 13 cent stamp from 1976. Jumbo PB of 12. LL Position MNH. Never Folded, No Perf. Separation.  These Are Fun To Use As Postage Or Can Be Collected  Without Issue. Enjoy More Savings With Reduced Shipping Cost When You Buy More Than One Item In The Same Order. The PB You See Is The PB You Will Receive Count On That. Have Fun With Stamps  And Thanks For Looking!