That looks like MD to me. Notice how the devices are reduced and 'shelf or step' like. Doubling will be at the same level as the device.
Collecting since 1972. Learning from then on
"Tell me and I forget. Teach me and I remember. Involve me and I learn." - Benjamin Franklin
My Dansco 7070 type set coin count: 37/76 My American Silver Eagle Proof Collection - 1986 to Present My Dansco 8188,8189 Innovation Dollar Albums My Dansco 8176 Eisenhower-Dollar Album My Dansco 8166,8167 Kennedy-Half Dollar Albums
My Dansco 8140,8143-8147 Washington-Quarter Albums My Dansco 8125 Roosevelt-Dime Album My Dansco 7112 Buffalo-Nickel Album My Dansco 8113,8114 Jefferson-Nickel Albums My Dansco 8100,8104 Lincoln-Cent Albums