Trodat Ideal 50 4911 Value Stamp 49. This Personalized Trodat Ideal 50 4911 Self Inking Stamp displayed here has a 1/2 x 1-1/2 inch imprint area. Style 49 features a large size Arial Helvetica style font in all upper lower case letters. This Trodat Ideal Stamper has it's own internal Ink Stamp Pad. The Ideal 50 Self Inking Rubber Stamp was invented in 1979 perfected by M&R Marking of New Jersey. Re-engineered several times over the years this Stamper keeps improving with age. The latest improvement to this Stamper comes from Trodat USA after the acquisition of M&R Marking. This Ink Stamp still has much of the original design features. The stamp is easily re-inkable or you can replace the little Ink Pad inside. Trodat Ideal 50 4911 Self Inking Stamps are good quality machines.